The MAM Baby Bottle is constructed of BPA free materials.Ergonomic shape is easy for both baby and parents to hold. The orthodontic nipple is made of ultra soft silicone, and is spill free for baby"s first attempts at self feeding. The cap can be used as a measuring cup with an integrated scale, and the sealing cap keeps nipple free of dirt and is also spill-free for travel. MAM shaped orthodontic nipple, BPA free, trusted by mothers for over 20 years. Includes 1 -11 ounce baby bottle, with a fast flow nipple. 4+ months.