Cat Nomad Performance Hydration Pack Insulated and Robust Backpack with 3L 100Oz Highest Quality Water Bladder and Cleaning Kit for Hiking Running Cycling Biking Skiing Climbing Men Women Kids LEAK-PROOF: new design, reinforced at every critical point of the bladder and hose. No more flooded bags and wet backs TASTE-FREE: your water will taste like... water! No plastic taste and no rubber odor. Premium quality TPU material - BPA free and FDA approved EASY TO DRINK: Easyflow soft bite valve delivers plenty of water when you need it and doesn't let water drip on your chest EASY TO FILL AND CLEAN: with the large opening it is easy to fill with water and ice. Included brush kit makes cleaning the bladder and the tube an easy task too. PERFECT FIT: Attaches securely and fits perfectly in any hydration bag designed to hold 3L / 100 Oz bladders.