Nuby 3 stage 9oz. bottle with silicone nipple, soft sipper spout, and handle. Easy to hold and designed to adapt to your growing baby, . Nontoxic, break-resistant plastic and non-drip, leak-proof nipple prevents your baby from ingesting air, which can cause gas. Nipple features dimples that gently massage your baby's gums and aid in eruption of teeth.Sipper spout aids the transition from bottle to cup.Removable easy-to-hold handle. Easy-to-read markers in ounces and milliliters. . Assorted primary colors. Non-Drip™ Vari-Flo™ nipple : the flow is determined by the sucking action of the baby, just like breastfeeding • • Exists in 2 sizes :