Comotomo Silicone Replacement Nipple, Slow Flow, 0-3 Months, 2 Count 2 pack Specifically designed for Comotomo™ Baby Bottles, each pack comes with 2 silicone nipples designed to most closely mimic natural breastfeeding. Features: Dual Anti-Colic Vent, Air goes in, milk comes out to ensure ideal air circulation to reduce unwanted colic, spit up, burping and gas Comotomo baby bottles are deisgned to most closely mimic breastfeeding to reduce bottle rejection and nipple confusion issues Ultra wide-neck design allows easy cleaning by hand without a brush; Safe in microwave, boiling water, dishwashers and sterilizers Nipple and body is made of 100% safe hygienic medical grade silicone Safe: No BPA, PVC, Phthalates, Nitrosamine Product Details: Item Weight: 2.08 ounces Package Dimensions: 3.9 x 3.4 x 2.9 inches UPC: 886074000074 Target gender: Male Material Type: BPA Free, Phthalate Free, Latex Free, Lead Free Batteries required: No Shipping Weight: 2.1 ounces