BPA and non-toxic materials - These water bottles are made of leak-proof Tritan copolyester plastic, 100% BPA and no toxins to ensure removal of harmful chemicals, plastic taste or strange smells!Practical and effective designEasy to open with a one-touch button, unique openings for fast water flow and outdoor travel, so you can drink quickly and not get caught in extreme hunger.Perfectly portable - store waterproof bottles in bags, backpacks or wallets without worrying about leaks. Easily carried, lightly traveled or held on the hand with the included carrying strap, the carrying line can also be used on mountain bikes to keep your hands on your backpack.Perfect Item to Gift for your Loved Ones