Evenflo Classic Fast Flow Silicone Nipples 4 ea, Clear Evenflo Classic bottles and nipples provide a complete line of feeding solutions for your baby's changing needs. The Classic Nipples are made from soft silicone and feature Micro Air Vents. These special vents are designed to prevent nipple collapse, and promote a more comfortable feeding experience for baby. Designed for easy assembly and leak- free feeding these nipples are compatible with all Evenflo standard neck bottles. Rest assured, Evenflo baby bottle nipples are 100% free of BPA, polycarbonates, PVC and phthalates, and are also made of food grade material. By Evenflo Evenflo classic silicone nipples with sensitive response sense baby's pressure and respond with the right amount of liquid and micro air vents reduce gas. - PREVENTS NIPPLE COLLAPSE - Evenflo Feeding's Patented Micro Air Vents help prevent nipple collapse, and promote a more comfortable feeding experience for baby. - GRADUAL NIPPLE SHAPE - The shape of the bottle nipple is important when shopping for your little one. The Evenflo Feeding Classic silicone nipples have a gradual transition between nipple length and base to allow baby to maintain their latch. - EASY TO CLEAN - Keeping your baby safe is important but cleaning doesn't have to be time consuming. With just one piece, these silicone baby bottle nipples are easy to remove and clean. And best of all, they're dishwasher safe (top rack only), making your busy life a little easier. - COMPATIBILITY - These Evenflo Feeding Classic silicone baby bottle nipples can be used with all Evenflo Feeding standard neck bottles. - BPA FREE - You're committed to your child's safety and so is Evenflo Feeding. Their baby bottle nipples are 100% free of BPA, polycarbonates, PVC, and phthalates, and are constructed of food grade materials. - - - 0.634 ounces 20 x 14.48 x 6.48 inches