COLIC RELIEF GRIPE BELT - the doctor-designed adjustable heated tummy wrap provides warmth and a gentle compress to help relieve pain associated with colic, reflux and gas. GRIPE BELT NATURAL GAS RELIEF FOR BABY – safely soothe baby’s upset belly while providing natural gas and colic relief. PRESERVES NUTRIENTS. The anti-colic internal vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night’s sleep. CONSISTENT FLOW RATE. Vacuum-free feeding is closest to breastfeeding and Dr. Brown’s Level One (1) nipples provide a consistent flow so babies can feed at their own pace. ANTI-COLIC BABY BOTTLE. Dr. Brown’s baby bottles are known for reducing colic, spit-up, burping, and gas, resulting in a more comfortable feeding experience for baby. Contains (4) Dr. Brown’s Anti-Colic Options+ Narrow Baby Bottles, Level 1 Nipples 0m+, 4oz and (1) Infant Gripebelt for Natural Colic Gas and Upset Stomach Relief in Babies and Toddlers, 0-3m Hedgehog.