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 AND KIDS WATER BOTTLE: This bottle easily transforms into an infant bottle, sippy cup, sport/water bottle, or a snack container by simply swapping the straw out for another Pura silicone lid. Baby Grows...Bottle Evolves TOXIN-FREE FEEDING AND HYDRATION SYSTEM: Insulated with a certified lead-free seal. Innovative valved silicone straw with removable silicone internal tube for ease of use; can be used with or without an internal tube. Includes soft silicone travel cover and bright colored sleeve 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. 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. Limited Lifetime Warranty