How many baby bottles do I need? The Ultimate Guide for New Parents

by Rita.La

Whether you want to bottle-feed your child from birth or make the transition after breastfeeding, Choosing the right bottle for your baby is no easy task.The market is large, and the choice of materials, shapes, and sizes is such that it is easy to get lost.. How many baby bottles do I need? What are the things to consider to choose the right one? What types of bottles should you choose?

In order to help you make that choice, in this article, I’ll share with you all the information you need to purchase the right baby bottle for you and your baby. I will tell you everything. Keep on reading!

Table of Contents

How many baby bottles do I need ?

How Many baby bottles do i need

How many Baby bottle do I need? I bet you’ve asked yourself this question while pregnant. In my experience, it is necessary to take into consideration the fact that you are going to breastfeed your baby exclusively, in that case, 3 to 4 bottles will be more than enough. I, myself, have only bought 3.

 If you plan on bottle-feeding your baby, then it is necessary to provide yourself with a sufficient number of bottles to avoid washing them and possibly sterilizing them after each feeding.
Having 6 to 8 bottles, this will allow you to clean them only once a day.

For an ideal set, plan to purchase 6 normal-size bottles (8- or 9-ounces); even though they may seem a bit large at first, they will quickly match your baby’s demand. Also, buy one or two small (4- or 5-ounces) bottles that you will always have on hand for giving water.

Type of Baby Bottles

You can find different kinds of baby bottles on the market. Some might be very usual to you like glass or plastic baby bottles and others not so much like steel baby bottles, here all the type available:

Plastic Baby bottles

Plastic baby bottles

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Plastic baby bottles are the most commonly used by parents. They have the benefit of being lightweight, durable, and economical.
Make sure to purchase a BPA free baby bottle.

Glass Baby bottles

Glass baby bottle

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Glass baby bottles are popular with parents again. They are safer and easier to clean; still, they are a bit more expensive and heavier than plastic baby bottles. You must also be very careful because if dropped, They can break or shatter. To prevent these kinds of accidents, you can choose to purchase a silicone protection cover as an extra-feature for your baby bottle.

Stainless Steel Baby Bottles

steel baby bottle

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These babby bottles made of stainless steel are not very common. Their main advantages are that they are not heavy, don’t break, and are very safe to use.
However, they are a little bit expensive than classical baby bottles, and you can’t see through them to know how much your baby has drunk.
Make sure to choose a baby bottle with silicon parts because when the steel is warmed, it can be hot for you and your little one to hold.

Silicone Baby Bottles

Silicone Baby bottle

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The all-silicone baby bottle has recently arrived in the large family of baby bottles these last few years. It has the great advantage of not containing any toxic material; it’s flexible, which allows you to squeeze it and give it a little pressure to help the baby during the first feedings. Unfortunately, the choices are limited, and it’s more expensive than a typical baby bottle

Disposable Baby Bottles

Disposable Baby bottle

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These disposable bottles are perfect for parents who travel often. In fact, they are classical plastic bottles with a sterilized disposable liner; you just have to fill it with milk. As your baby is drinking, the liner contracts to mimic breastfeeding, preventing colic and gas.
The unfortunate part is that they are not ecological.

Things to consider to buy the best baby bottle

Now that you have an idea about the existing types of baby bottles, you’ll want to consider some features to buy the best baby bottle that suits your needs and your baby’s.

  • Safe Material Safe Material
  • Size Size
  • Shape Shape
  • Easy to clean Easy to clean
  • Venting system Venting system
  • Breast pump compatible Breast pump Compatibility
  • nipple Nipples

Since it has been proven that BPA can leach into your baby's milk (1) , make sure to choose a baby bottle that it's 100% BPA-free and phthalates-free

There are several sizes of bottles suitable for each age and each type of use:

  • 15ml (3TSP) bottles for taking medications or vitamins.
  • The 3-oz to 4-oz (90ml to 120ml) bottles are for the baby's very first weeks. Quickly, this bottle size will only be useful for fruit juice or water (very convenient to carry!).
  • The 4-oz to 5-oz (120 to 150ml) bottles are for your child's first months, then for water and snacks.
  • Bottles of medium capacity, 8-oz to 9-oz (240 or 260 ml), are preferred for children aged 3 to 9 months.
  • The 10-oz to 11-oz (320ml to 340ml) bottles can be used for all meals. They will be preferred if you have a child who has a big appetite or when your little one is over a year old.

The shapes of baby bottles have also diversified over time.

  • Classic "straight" bottles, cylindrical or with a triangular section, are perfect for all ages.
  • For babies who frequently suffer from colic, 30 ° angled bottles help prevent air absorption thanks to a nipple always filled with milk. They sometimes have a removable base to facilitate cleaning, which, however, remains more difficult.
  • Some Ergonomic bottles come in different shapes, like the shape of the breast. They are designed for breastfed babies, to avoid baby confusing between breast and  bottle.

Choose a baby bottle that is easy to take apart and wash. Make sure that it doesn't have too many parts. You will spend a lot of time cleaning the bottles so you might as well save time and make your life easier with practical baby bottles and nipples.

Colic begins within the first few days after birth and can last for up to 3 months, in most cases. If the causes of these disorders are poorly distinguished, several solutions combined can reduce the symptoms. And the use of a baby bottle with a venting system is one of them.

Breastfeeding remains the best way to feed your baby. Still, sometimes we are forced to look for other methods by obligation or simply to take a little break, pumping your milk remains the best solution if you want your baby to benefit from maternal milk, for that, nothing better than a baby bottle compatible to your breast pump, to be able to express your milk directly in the bottle for more convenience.

The nipple is the most important part of the bottle. It is mandatory that it is compatible with the bottle and adapted to the baby's sucking strength. 

They are available in two materials: 

latex: flexible and more suitable for new babies and those who have difficulty breastfeeding. This material is, however, less durable.

Silicone: transparent and more resistant. It has no taste or smell and is less conducive to the development of allergies.

Several types of flow are available. The current trend is trying to mimic breast flow as well as possible. Nipples with "T" or cross-shaped holes provide a constant flow just like breasts. These nipples allow the baby to regulate the flow on his own when he sucks. Some brands also offer nipples with anti-colic valves that regulate the flow of milk so that babies can drink at their own pace without swallowing air.

Prefer slow flow nipples for a newborn as your baby's appetite grows, switch to medium then fast flow nipples. Finally, it is also possible for babies over three months to choose a variable flow nipple; just turn the bottle's neck to change the flow rate.

Our Selection of The Best Baby Bottles

Have a look at our selection of the best baby bottle of 2021 to get you started

Best Glass Baby Bottle

Philips Avent Natural Glass Baby Bottle

Best glass baby bottle

The Philips Avent bottle is perfect for parents who want to alternate breastfeeding and bottle feeding.

The shape and texture of its nipple mimic the breast very well so that baby accepts the bottle more easily. Its spiral design offers natural flexion.

Classified by age, the nipple adapts to the development of the child. nipples 0 months, 0 months and +, 1 month and +, 3 months and +, 6 months and + are available.

The Philips Avent baby bottle is made of premium quality borosilicate glass, it’s heat, and thermal shock resistant.
This anti-colic bottles, with an AirFree valve integrated into the container, preventing the baby from swallowing air.
The anti-colic valve is a concept designed for the reduction of colic and all baby’s digestive discomforts.

The Philips Avent baby bottle is easy to clean and easy to take apart. The anti-leak nipple also facilitates the transport of the bottle.

I love it because

  • Easy to clean
  • Facilitate the transition from breastfeeding to bottle feeding
  • With Airflex vent technology  to reduce colic and discomfort
  • Thermal shock resistant
  • Compatible with all the Avent other bottle parts, so you can mix and match as you need.

Take not that

  • Only one Color available
  • Can’t be freezed

Best Plastic Baby bottle

NUK Simply Natural Baby Bottles

Best plastic baby bottle

NUK bottles are designed to promote mixed breastfeeding and facilitate the weaning of babies. Their silicone nipples have been specially developed to mimic the breast’s shape and provide your baby with the most natural feeding possible. They feature micro-piercings that mimic the lactiferous ducts of the mother’s breast as well as an anti-colic air vent, all of which helps optimize the baby’s digestion.

NUK bottles are available in 5 to 9 ounces. Their shape has been designed to facilitate the grip, and their extra-wide opening facilitates their preparation and cleaning, making your feeding experience easier for you and your little one.

I love it because

  • Easy to fill and to clean
  • Anti-colic
  • ideal for mixed breastfeeding 
  • Soft silicone nipple that mimics the breast’s shape
  • Made withTritan plastic, provides crystal-clear clarity and is odor & stain resistant.

Take not that

  • Measurement marks may fade with daily washing, and there are not very visible while pouring the milk.

Best Baby bottle for a breastfed baby

Nanobebe Breastmilk Baby Bottle for Breastfed Babies

Best baby bottle for breastfed babies

Nanobebe offers a bottle that reinvents breastfeeding. This unique bottle is specially designed to preserve the nutrients of breast milk. Thanks to its unique shape, it heats up 2 times faster than a “classic” bottle, which prevents the loss of 50% of crucial nutritional enzymes, due to too long exposure (from 1 min) to heat (55 °). Likewise, its shape allows it to cool 2 to 3 times faster than other bottles, which reduces the growth of bacteria in breast milk, which multiplies by 2 every 20 minutes.

To complete this revolution, the brand offers an anti-colic silicone nipple, with 360 ° double valve with different flow rates to satisfy all the little gourmands.

I love it because

  • Designed to retain nutrients in breast milk
  • Heats up twice as fast as a standard bottle
  • Stackable bottles to save you space
  • Bottle easily removable, easy to clean
  • 360 ° ventilation system developed to minimize colic and discomfort
  • Special shape ideal for small hands, easy to grip by baby

Take not that

  • There can be some leakage while shaking it or mixing the formula

Best Stainless steel Baby Bottle

Pura Kiki Stainless Steel Baby Bottle

Stainless steel baby bottle

Pura offers stainless steel bottles that are durable, unbreakable and recyclable.
Each ounce is marked by glancing inside the bottle. The bottle protects breast milk from exposure to light, causing the breakdown of essential nutrients in breast milk. It does not scratch, thus avoiding any bacterial development usually lodged in the micro-scratches of plastic bottles. It does not alter or keep the flavours. A coloured silicone sleeve protects your bottle from shocks and pods in addition to being comfortable.

Composed of a single stainless steel layer, a few seconds in hot water are enough to heat baby’s milk.

This bottle is designed to grow with your child. It is easy to convert it to a larger nipple, drinking spout, straw or sports neck.

I love it because

  • Plastic free, BPA free, phthalate free, PVC free and free of lead or other heavy metals
  • Medical grade silicone nipple
  • Easy to clean with soapy water
  • Dishwasher safe
  • Baby bottle with an evolving design according to the baby’s age

Take not that

  • Not microwave safe
  • Can’t track how much your baby had drunk from the outside

Best Silicone Baby Bottle

Comotomo Baby Bottle

best silicone baby bottleThese silicone bottles feature an innovative design similar to the breastfeeding sensation. The naturally soft shape of the silicone nipple is ideal for babies who are having difficulty making the transition from nursing to bottle-feeding. Your little one enjoys holding and touching the soft, squeezable body of the bottle like a skin touch feeling. You will really appreciate the wide-neck design as it makes the cleaning very easy! The Comotomo Natural bottles are smartly designed to prevent colic and to avoid any leaks.

I love it because

  • The wide neck makes it very easy to wash just by hand
  • Dishwasher, microwave, sterilizer, warmer safe 
  • Soft and squeezable skin-like silicone material to offer a better grip 

Take not that

  • Some Users find the footing unstable
  • No measurement markings to keep track of the amount of milk

Best Baby Bottle To Prevent Colic

Dr Bronwn's Baby bottle

Best baby bottle for anti colic

Dr Brown’s baby bottle has a system that reproduces the mechanism of the mother’s breast by continuously supplying a flow of air to this anti-colic bottle.

Through an ingenious system, air passes directly from the nipple to the bottom of the bottle, without touching the milk.

Dr Brown’s bottle will, therefore, never be empty of air, which means the baby can continue to suckle continuously without having to stop for the flow to resume.
Because air does not mix with milk, there is minimal oxidation of the latter – helping to preserve vitamins C, A and E and help maintain the gut microbiota.

No air bubbles are created, which means your baby will not swallow them, and therefore his burping, gas and colic will be incredibly reduced.
These anti-colic bottles are BPA free and come with silicone nipples.

I love it because

  • Preserves nutritional Elements such as Vitamins C, A and E essential for the health of your child.
  • Removable venting system, to use the bottle after the colic phase
  • Clinicly Tested 1 – Independent study shows that Dr Brown’s bottles help the digestion, and reduce colic, gas and reflux.

Take not that

  • A little hard to deep clean

Best Disposable Baby Bottle

Playtex Baby Nurser Bottle with Pre-Sterilized Disposable Liners

Best disposable baby bottleSpecially made for moms on the go, the Playtex Bottles are ideally designed with pre-sterilized disposable liners to make bottle time easier. The liners allow your bottle to stay clean and minimizes cleaning time while traveling or going out; they are also recyclable.
All you have to do is to drop the liner into the Playtex bottle and fill it with your breast milk or formula; simple as that!
When your baby is finished, just remove the liner and save it for recycling in your nearest grocery store.
This baby bottle offers your baby a good feeding experience as it’s closer to breastfeeding; the soft, disposable liner contracts as the baby is drinking to mimic breastfeeding. This prevents air from mixing with milk and allows for airless feeding, reducing colic and gas.

I love it because

  • Bottle and liners are BPA, PVC and phthalate-free
  • Make your life easier while on the go 
  • Anti colic system
  • Pre-Sterilized liners for cleanliness

Take not that

  • Not very eco-friendly if you are going to throw away the liner each time.

Best Baby Bottle for Pumping Moms

Medela Breastmilk Bottle Set

best baby bottle for pumping mom

Breast milk is precious: its proper collection and storage are essential for the health of your baby. For this reason, Medela exclusively offers BPA-free bottles and containers.
It is ideal for continuing breastfeeding while giving the baby a few bottles.

Developed by breastfeeding professionals, this newborn bottle reproduces the baby’s natural rhythm. For example, Baby needs to perform a suction on his own so that the milk can flow out.

This bottle respects the child’s natural suction as well as his natural needs. Baby can take a break whenever he wishes and thus respects his rhythm.

These bottles come with caps and nipples so you can store and feed the baby with your breastmilk.

You can either choose the 5-ounce bottle with a slow flow nipple or the 8-ounce with a medium flow nipple

I love it because

  • Great to pump and store your milk in
  • Can be cleaned in the dishwasher 
  • Microwave safe
  • the complementarity with breastfeeding

Take not that

  • Only two size available.
  • Some Parents find the bottle too thin

Frequently Asked Questions

As soon as your child has finished drinking their milk, all you have to do is wash the bottle thoroughly, according to the following steps:

  • Separate every part of the bottle, rinse the bottle, nipple, and cover with cold water, passing water through the hole in the nipple to remove milk residue;
  • Scrub each piece with a suitable brush and hot soapy water to dislodge any potential bacteria. This should be done on the outside and inside of each part, not forgetting the bottleneck's grooves. Rinse off with hot water
  • To dry the bottle, place it on an open-air rack, dismantled and upside down. Do not use a tissue to avoid the deposit of microbes on the various elements.
Bottle Brush

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And if you opt for cleaning in the dishwasher, it is quite possible. In this case, rinse the various parts well to remove all milk residue. Then use a full cycle, with a washing temperature of at least 65 ° C and drying (this last step is essential).

Our grandparents, and sometimes our parents, always immersed the bottle and nipple in boiling water to sterilize them before feeding their babies to eliminate microbes and eliminate possible contamination risks. Today, pediatricians no longer necessarily recommend sterilizing baby bottles after each use(2) . However, bottles must be sterilized before their first use. So we can conclude that a sterilizer is no longer an essential gear to purchase.

While a bottle can be perfectly drunk at room temperature, many babies prefer it hot, at 37 °. This is where the bottle warmer comes in. The device quickly warms the baby bottle. Very useful when your little one is crying out for hunger in the middle of the night.
If you are considering bottle feeding exclusively, a bottle warmer can be very helpful for the baby's first year.

A baby bottle can easily last for a long period of time. You just have to take good care of it.
For glass bottles, be careful that there are no cracking, chipping, or breaks.
On the other hand, if you notice any change of color or smell for plastic bottles, it is no longer safe to use. For nipples, it is recommended to change them every 4 to 6 weeks. However, make sure to check the tip of the nipple before each use.

Final Thoughts

Traditionally, glass baby bottles are considered to be more hygienic because they are more resistant to repeated warming. However, plastic or silicone bottles are more robust, and since the ban on BPA, they present no particular risk. They are also lighter, which will be a significant advantage when the baby wants to start drinking on his own.

To conclude, note that the choice of a bottle is rarely final: you will probably have to try several models before finding the one that suits your baby, his preferences, and his way of drinking.

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