Bare Air-Free 8oz Twin + 2 Nipples by Bittylab. Perfe-Latch (breastfed Babies) & Easy-Latch (Babies fed with Baby Bottles). Cuts Down on Reflux, Colic, Gas, Fuss & Sleep Troubles. Easy Instructions. Description Features: For 6+ months only. Do not use this product if your baby drinks less than 5oz of milk, use the 4oz size instead. Always hold Bare right side up to feed. Clinically proven technology to help prevent colic, severe gas, spit-ups, reflux and GERD with a patented moving air-plug that delivers air-free milk while the baby is in a vertical-upright position and, with suction, that allows your baby to control the flow and pace of feeding. Bare Air-free has helped thousands of parents getting rid of their babys painful symptoms, moms love it, Pediatricians recommend it, its backed by science, and published in major news outlets. Anti-Colic Feeding with suction and flow-control for consistent milk flow, as opposed to gravity forced-feeding prevents choking, overfeeding and spit-ups. ***USE AS DIRECTED ONLY*** to avoid leaks, fast flow or dripping. Product Details: Brand: Bittylab Color: Aqua/Turquoise Material Type Free: BPA Free, PVC Free, Lead Free, Phthalates Free, Nitrosamines Free Item Weight: 8 Ounces Bottle Nipple Type: Patented Flow-Control® Technology Product Dimensions: ‎3 x 3 x 9 inches Item model number: ‎77G-028B Is Discontinued By Manufacturer: ‎No Safety warning: ‎Consult with a doctor before using this product Material Type: ‎Medical-grade, food contact silicone and polypropylene. FREE of bpa/pvc/lead/phthalates/nitrosamines Material free: ‎BPA Free, PVC Free, Lead Free, Phthalates Free, Nitrosamines Free Additional product features: ‎True Air-free Feeding while in vertical-upright position. Clinically proven to minimize GER, GERD, spitups and nightime colic in babies Number Of Items: ‎1 Batteries required: ‎No Dishwasher safe: ‎Yes Bottle nipple type: ‎Patented Flow-Control® Technology Bottle type: ‎True Air-free Feeding Device. Not a "bottle" Item Weight: ‎8 ounces