WASING-Hydration Pack Premium Backpack Daypack with 2.0L(70oz) Bladder.3 Large Storage Compartment, Rain Cover and helmet bag ,Rucksack For Hiking-Cycling-Climbing For Men,Women, Kids(WS-HD-Darkblue) 1. LARGE VOLUME PACK:18*11*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. external Helmet bag design 2. 2.0 Liter (70 Oz.) HYDRATION BLADDER WITH INUSULTED 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. 3. PERFECT FIT FOR ALL SIZES: Adjustable Straps (27"-50" Chest Size).Cushioned Shoulder Straps & Breathable Mesh Back Panel With High Density EVA foam & Ventilation Holes Provide Ultimate Comfort. 4. 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. 5. 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.100% Brand new and high quality.