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Baby bottle capacity can be confusing because common sizes such as 150ML, 240ML, 250ML and 300ML often overlap with different teat stages and bottle systems.
150ML bottles
Compact 150ML bottles are convenient for smaller feeds and are often associated with younger babies or learner formats.
240ML and 250ML bottles
These mid-size bottles offer more capacity without being as large as a 300ML bottle. They are common across glass and polypropylene feeding systems.
300ML bottles
300ML bottles provide more room for larger feeds and are frequently used as babies grow, although age alone should not determine bottle size.
Capacity is not the same as teat stage
A large bottle can still be supplied with a teat intended for a specific age/flow stage. Always check the exact teat specification.
Which size should you buy?
Base the decision on usual feed volume, how frequently you prepare feeds, bottle material and the compatible teat system.
Compare current options in our Baby Feeding Bottles & Accessories collection and read the broader baby bottle buying guide.
Frequently asked questions
Should I choose bottle size based only on age?
No. Typical feed volume, bottle system and teat flow are more useful than age alone.
Is a 300ML bottle only for older babies?
No. Capacity and teat stage are separate specifications.
Is 240ML the same as 250ML?
No, but they are similar mid-size capacities used by different manufacturers.
Choose the right bottle system
After choosing capacity, compare glass vs plastic bottles, review teat size and flow, and browse baby feeding bottles in Kenya.
