***USE AS DIRECTED ONLY*** to avoid leaks, fast flow or dripping. https://amzn.to/2U8llLS. Anti-Colic Feeding with suction and flow-control for consistent milk flow, as opposed to gravity forced-feeding prevents choking, overfeeding and spit-ups. Bare Air-free has helped thousands of parents getting rid of their baby’s painful symptoms, moms love it, Pediatricians recommend it, it’s backed by science, and published in major news outlets. 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. 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.Bottle Nipple Type: Patented Flow-Control® Technology. Item Weight: 8 Ounces. Material Type Free: BPA Free, PVC Free, Lead Free, Phthalates Free, Nitrosamines Free. Color: Aqua/Turquoise. Brand: Bittylab. Best Sellers Rank: #73,480 in Baby. Customer Reviews: 3.2 3.2 out of 5 stars 87 ratings 3.2 out of 5 stars. : B01HOHMFCM. Item Weight: ?8 ounces. Bottle type: ?True Air-free Feeding Device. Not a "bottle". Bottle nipple type: ?Patented Flow-Control® Technology. Dishwasher safe: ?Yes. Batteries required: ?No. Number Of Items: ?1. Additional product features: ?True Air-free Feeding while in vertical-upright position. Clinically proven to minimize GER, GERD, spitups and nightime colic in babies. Material free: ?BPA Free, PVC Free, Lead Free, Phthalates Free, Nitrosamines Free. Material Type: ?Medical-grade, food contact silicone and polypropylene. FREE of bpa/pvc/lead/phthalates/nitrosamines. Safety warning: ?Consult with a doctor before using this product. Is Discontinued By Manufacturer: ?No. Item model number: ?77G-028B. Product Dimensions: ?3 x 3 x 9 inches.