Shaped to more closely mimic breastfeeding, these bottles have an offset nipple and soft texture and form that make gripping it easy for both baby and parent. Integrated dual venting limits air ingestion, helping to prevent colic. Set of three bottles with slow-flow nipples Ages 0-3 months 3" x 5" Holds 4 oz. BPA-, PVC- and phthalate-free Nontoxic, medical-grade silicone Dishwasher safe Imported Kids' Wear