JOYHILL TPU Hydration Bladder,1.5L 2L 3L Water Bladder for Hiking Backpack BPA Free Leak Proof Hydration PackEasy to Fill and Clean: The water bladder has a large opening with a diameter of 9 cm. You can easily drop ice cubes or fruit pieces into the water bladder by lifting the handle, or put a brush or a hand into the bag to clean it Food Grade Quality: The inner part of the water bladder is made from TPU, with no odor toxic, BPA free for safe use. We have 1. 5 L, 2 L, and 3 L models for your option Upgraded Leakproof Design: A soft mouthpiece with an on