Sports Imagery Hydration Pack Premium Backpack Daypack with 3.0L(100oz) Water Bladder.3 Large Storage Compartment Rucksack for Hiking-Running-Cycling-Climbing-Skiing for Men,Women, Kids ONE SIZE FITS ALL: New Improved Design For Better Overall Fit. Adjustable Straps (27"-50" Chest Size).Cushioned Shoulder Straps & Breathable Mesh Back Panel With High Density EVA foam & Ventilation Holes Provide Ultimate Comfort. LARGE VOLUME PACK:18*12*6.5 Inches With 3 Large Storage Compartments for Clothes , iPad, Phones, Laptops, Keys, Wallet, Snacks. Two Side Mesh Pockets for Energy Bars & Sunscreen Provides More Packing Capacity. 3.0 Liter (100 Oz.) HYDRATION BLADDER WITH INSULATED WATER TUBE: BPA Free & Taste Free. Leak Tight Top Slidelock Makes It Easy to Refill, Clean and Dry. QUICK-RELEASE TUBE & AUTO-SHUTOFF VALVE Prevents Leaking With Tube Detached. WATER RESISTANT AND DURABLE: Diamond Rip Stop Nylon material is water resistant so your belongings stay dry. Durable tear resistant material reduces wear and tear so your pack lasts longer. 100% LIFETIME REPLACEMENT GUARANTEE- Iron Clad Lifetime'HASSLE FREE'Replacement Guarantee. In The Unlikely Event You Have Any Issue With Our Product, Simply Contact Us and We Will REPLACE It