With natural colors, textures and forms, the mimijumi baby bottle provides the perfect complement to breastfeeding and the best possible transition to bottle feeding. The innovative nipple design replicates a mother"s breast, creating a natural feeding and latching experience for a happier and healthier bottle fed baby. Bold colors and soft textures are combined to give the mimijumi baby bottle a distinctive, eye-catching appearance. Integrated venting prevents colic while the one-piece construction means less parts to clean. Only the safest medical and food grade silicone is used to ensure a worry-free and healthy bottle feeding experience for your baby. Features include: integrated venting prevents colic, easy to clean, screw on one-piece construction, made with medical/food-grade silicone, top rack dishwasher-safe, BPA-, and latex- free and exceeds US safety standards. Available in two different flow rates: Flow Rate 1 (Slow) and Flow Rate 2 (Medium).