ADDITIONAL INFORMATION : PPSU Bottle compatible with all Spectra Breast Pumps Breast Shields (Wide-Neck), Anti-colic soft silicone teat. Double air valve helps baby to avoid swallowing, excessive gas ( choose appropriate size ), Ergonomic bottle shape for babies to grip easily and prevents it from rolling, Converts to sippy cup, Embossed measurements ensure they don’t wash off, Easy to clean and sterilize, Having a clear scale mark, Suitable for fridge or freezer, Comes with discs to cover teat hole and caps to cover teats when out and about Convenient, practical expressing without wastage – express into the bottle, store and then use to feed Does not absorb odor or color, BPA Free, Best durability and heat tolerance, up to 208 ˚C, Scratch resistant.