WHY PURA? We are the first and only line of plastic-free juvenile bottles that has achieved the MADESAFE Certified rating. Our revolutionary design not only eliminates plastic components but provides much-improved functionality. Pura focuses on safety, durability, ease of use, and eco-progressive consumption. Our One Life… One Bottle systems are a great way to help save our planet and help rid our oceans of waste. INFANT FEEDING TO KIDS WATER BOTTLE: Baby Grows...Bottle Evolves: This non toxic stainless steel baby bottle transforms into a sippy bottle, straw bottle, or sport/water bottle by simply swapping the nipple out for another Pura silicone lid. WE PUT KIDS SAFETY AND SUSTAINABILITY FIRST: We keep petroleum-based plastics out of our kids' mouths, create repurpose-able solutions that are infinitely superior to single-use or recyclable offerings, and do it all in a fun, modern, and colorful way. No seal, no dot, no lead! NATURAL VENT NIPPLE AND SILICONE COMPONENTS: Includes soft silicone travel cover, bright-colored sleeve, and medium flow nipple with anti-colic vent tube. Our innovative soft tops ensure no more chipped teeth. MIX AND MATCH BOTTLES, LIDS, SLEEVES, AND ACCESSORIES: All products are compatible with other Pura silicone components and accessories. We ensure there is no need to discard and replace your bottles as your child matures. WHY PURA? We are the first and only line of plastic-free juvenile bottles that has achieved the MADESAFE Certified rating. Our revolutionary design not only eliminates plastic components but provides much-improved functionality. Pura focuses on safety, durability, ease of use, and eco-progressive consumption. Our One Life… One Bottle systems are a great way to help save our planet and help rid our oceans of waste.