Dr. Brown’s Natural Flow Preemie Flow Narrow Baby Bottle Silicone Nipple, Slowest Flow, 0m+, 100% Silicone Bottle Nipple, 6 Count(Pack of 1) Description Dr. Brown’s Natural Flow® Preemie Flow™ Nipple is the slowest flow, sized just right for premature babies, newborns, or babies experiencing feeding difficulties. Preemie Flow™ Nipple, together with Dr. Brown’s® Anti-Colic internal vent system, is clinically proven to reduce colic. Dr. Brown’s® bottle and nipple provide a more comfortable feeding experience for baby by decreasing spit-up, burping and gas. This vacuum-free feeding is closest to breastfeeding and Dr. Brown’s® Preemie Flow™ Nipples provide a consistent flow so baby can feed at their own pace. The breast-like nipple shape encourages a proper latch for a more natural bottle feeding experience and eases the transition from breast to bottle and back again. The Preemie Flow™ Nipple and Anti-Colic vent system is proven to help preserve bottle milk nutrients and aid in digestion for a better night’s sleep. Made of super-soft, 100% silicone, the Preemie Flow™ Nipple fits all Dr. Brown’s® narrow bottles. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA free. Features: PREEMIE NIPPLE. Dr. Browns Slowest Flow Nipple offers a very slow flow for babies who are premature or with feeding difficulties. ANTI-COLIC BABY BOTTLE WITH NIPPLE. Preemie Flow Nipple, with Anti-Colic internal vent system, is clinically proven to reduce colic. Decreases spit-up, burping and gas and provides a more comfortable feeding experience for baby. CONSISTENT FLOW RATE. Vacuum-free feeding is closest to breastfeeding and Dr. Browns Preemie Flow Nipples provide a consistent flow so babies can feed at their own pace. DEPENDABLE NIPPLE FLOW. Each nipple level provides clinical consistency within the flow rate, so babys feeding experience is constant and comfortable. BREASTFEEDING SILICONE NIPPLE. The breast-like nipple shape encourages a proper latch for a more natural bottle feeding experience and eases the transition from breast to bottle and back again. PRESERVES NUTRIENTS. The Preemie Flow Nipple and Anti-Colic vent system is proven to help preserve bottle milk nutrients and aid in digestion for a better nights sleep. SOFT 100% SILICONE. Silicone nipple fits all Dr. Browns narrow bottles. DISHWASHER SAFE. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA Free. Product Details: Brand: Dr. Brown's Size: 6 Count (Pack of 1) Material: Silicone Bottle Nipple Type: Slow Flow Nipple Liquid Flow Speed Description: slow flow Product Dimensions: ‎6.8 x 2.9 x 4.5 inches Item model number: ‎SN061-WEB Is Discontinued By Manufacturer: ‎No Material Type: ‎Silicone material_composition: ‎100% Silicone Material free: ‎Bisphenol A Free Additional product features: ‎BPA Free, Dishwasher Safe, Preemie Number Of Items: ‎1 Style: ‎1 Preemie (0m+) Batteries required: ‎No Bottle nipple type: ‎Slow Flow Nipple Item Weight: ‎3.21 ounces Country/Region of origin: ‎USA