MAM Easy Start Anti-Colic Bottle is ideal for newborns: Babies can drink at their own pace, completely relaxed. The bottle body, base, screw ring, and protective cap are made from bio-renewable materials. The protective cap is leak-proof and can also be used as a measuring cup. SkinSoft silicone is accepted by 94% of babies and provides a familiar feel. The wide openings allow for quick and easy cleaning and particularly easy filling. The bottom ventilation ensures pressure equalization, preventing bubbles, foaming, and air swallowing. Innovative and practical: The bottle can be sterilized in the microwave with just a few simple steps. Quick and easy, perfect for on-the-go. The bottle can also be cleaned in the dishwasher. BPA/BPS-free: All MAM products are made from BPA/BPS-free materials. Market research 2009-2022, tested with 1,643 babies.