* Eco-Friendly Baby Bottle * Contains Two Decorated Bottles with Level 1 Nipples * Safe for Your Baby. Safe for Mother Earth * Eco Deco * Babies Control Milk Flow - Like Nature Intended * Designed to Reduce Colic, Gas and Spit Up * Free From Sans BPA Phthalates & PVC * Recommended By: Dr. Greene * Dishwasher Safe * Microwave Safe Nature in the Hands of Your Baby ActiveFlow bottles features a silicone valve that allows milk to flow only when a baby suckles and lets babies control milk flow according to their changing needs - like breastfeeding. In addition, a patented venting system reduces pressure during feeding and is designed to help ease painful colic symptoms. Soft Silicone Nipples * Available in 5 flow rates from Newborn to 18 months. Designed to Help Ease Colic Symptoms * Silicone valve minimizes air ingestion and helps reduce gas and spit up. Ideal for Breast and Bottle Combination * Milk flow begins only when baby suckles. * Flow rate controlled by baby - just like breastfeeding. Safe Plastic * Eco-Friendly. 100% free of BPA, Phthalates and PVC. Top Rack Dishwasher Safe No Leaks