UNIQUE and DURABLE DESIGN: Opens with one click, it is really convenient. With double locking leakproof lid, no more worrying about water leaking in your backpack. With the removable filter infuser, to add fruit and ice cube, turning your water into a healthy concoction to start your day! 2. 100% SAFE and HEALTHY MATERIAL: This water bottles made of food grade, reusable and Ecofriendly Tritan material. Thanks to the TRITAN plastic, you will taste whatever you put in this bottle just the way it was meant to be no funky odors or metallic tastes.