Pura was conceived with a simple notion: To provide the safest and most adaptable juvenile feeding and adult hydration solutions. We are proud to combine ground-breaking innovations with an eco-progressive business model. In 2012 Pura has been recognized with 11 product and business awards and is now sold in more than 30 countries. Most importantly, we remain a family-owned business with a focus on innovation and unparalleled quality. It is crafted from safe, anti-bacterial, No. 304 stainless steel, the same material used in milk pasteurization for years. Pura bottles are the safest on the global market because are bottles are 100% plastic-free, 100% BPA-free, 100% phthalate-free, 100% lead free, 100% toxin-free. Kiki is the only 100% plastic-free juvenile feeding/drinking solution on the global market. Recent studies have shown that even BPA-free plastic has been linked to a myriad of health problems. Pura has received Special Recognition from the US House of Represenatives and California Assembly US and Int'l Patents Pending. Pura Kiki products are designed in the USA by a dedicated team of committed parents. Safe: Stainless Steel bottle and collar (304 grade) NO Lining and NO BPA Will not leach anything into your child's drink Naturally anti-bacterial Lead-free colors make feeding fun Lifetime warranty on stainless steel components. Smart includes the Pura Natual Vent Nipple in medium-flow, medical-grade silicone, with an extended anti-colic vent, wide design supports breast feeding; Compatible with nipples from Pura, Born Free, Dr. Brown's and Think Baby and with spouts from Pura. Adaptable: grows with your child converting into a water bottle with a Pura Sealing Disk. Works with a variety of nipples and spouts; Dishwasher safe. Will not chip or break like glass bottles and will not leach chemicals like plastic bottles.