ANTI-COLIC BABY BOTTLE FEEDING SET. Anti-Colic internal vent system is clinically proven to reduce colic. Decreases spit-up, burping and gas. | CONSISTENT FLOW RATE. Vacuum-free feeding is closest to breastfeeding and Dr. Brownàsilicone nipples provide a consistent flow so babies can feed at their own pace. | PRESERVES NUTRIENTS. The anti-colic vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better nightàsleep. | BREASTFEEDING BOTTLE. 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. | BOTTLE GROWS WITH BABY. Dr. BrownàNatural Flow Anti-Colic Options+ baby bottle works best with the internal vent system in place but can be removed as babyàfeeding develops - no need to introduce a different bottle. | FEED, STORE, SOOTHE. Find the perfect flow for introducing a bottle to your breastfed newborn using the two nipple levels included, Preemie Flow (Slowest Flow) and Level 1 (Slow Flow). Store, transport and warm bottles with ease using the included storage/travel caps. Introducing baby to a pacifier is easy with Dr. BrownàHappyPaci 100% silicone one-piece pacifier, shaped like Dr. Brownàbottle nipple thatàfamiliar to baby. | SUSTAINABLE BABY BOTTLE. Dr. BrownàNarrow bottle is designed to nourish through all of babyàfeeding stages and is recyclable. | DISHWASHER SAFE. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA Free. | Gift Set (0m+) Includes: 4 - 4oz/120mL bottles, 4 - Preemie Flow (Slowest Flow) nipples, 4- Level 1 (Slow Flow) nipples, 4 - Storage/travel caps, 1 - HappyPaci pacifier (0-6m)