Available in 5-, 8- and 11-oz. sizes, this shatterproof bottle is BPA free and offers an air-free feeding design so that babies will have less gas and be more comfortable. The 5- and 8-oz. versions even have an Anti-Colic valve at the base. The orthodontic nipple of the bottle is made of soft silicone, and the bottle includes a leak-proof cap. The two smaller versions have a suggested retail price of $4.99 individually and $12.99 in a three-pack.