WHY PURA? Pura focuses on safety, durability, ease of use, and eco-progressive consumption. Our revolutionary design not only eliminates plastic components but provides much-improved functionality. We are the first and only line of plastic-free juvenile bottles that have achieved the MADESAFE Certified rating. Plus, our One Life… One Bottle systems, which allow any lid to fit any bottle through every life stage, are a great way to help save our planet and help rid our oceans of waste. MULTI-USE TODDLER SIPPY CUP AND KIDS WATER BOTTLE: 100% Plastic-free, stainless steel sippy cup easily transforms into an infant bottle, straw bottle, sport bottle, or snack container with medical-grade silicone components from Pura. Baby Grows…Bottle Evolves. 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! WE PUT KIDS SAFETY AND SUSTAINABILITY FIRST: We free people from an ever-increasing plasticized world, 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. KEEPS BEVERAGES COLDER AND WARMER: Double-wall vacuum insulation keeps beverages warm or cold for up to 24 hrs. with ice and 8 hrs. without ice. Ideal for hot and cold days. Keeps kids cool while playing and is ideal for kids who prefer warm or colder drinks.