Built to Take a Hit: Silicone Sleeve provides impact protection and a no-slip grip. Durable Eastman Tritan won't crack, stain or smell. | Totally Leak Proof: One-touch push button lid with lock is completely leak proof. Torque's lid features an FDA food grade silicone straw for comfortable hydration. | Easy to Clean Design: All parts are top rack dishwasher safe and no need to remove silicone sleeve for cleaning. All parts BPA free. | Travel Ready: Built in carry loop enables you to carry it with ease or attach it to a backpack.