Sunny waves, epic peaks, and campfire tales - our ChillBak(TM) Cube 18 is built to go with you. So grab your cooler, pack it up, and head out for an awesome adventure. Calling all thirsty adventurers! Whether you&';re headed out for a sun-soaked, friend-filled bike trip or want to be well-stocked for a post-ride party, our ChillBak(TM) Cube 18 keeps you fully hydrated and full of fun. Our innovative soft cooler keeps your drinks cold, close and ready to go. With its roll-top closure, you can stay easily organized, and your dry items stay safely separated from ice and drinks with the trap door. The 3L Fusion(TM) reservoir stows conveniently behind a zippered back panel leaving more room for drinks and food, even when full. While the hose with spigot can be accessed easily from the exterior of the pack, making group hydration quicker, easier and more fun. ChillBak(TM) Cube 18 is there with long-lasting hydration for the ultimate adventures. Features 3L Fusion Group Reservoir w/ TRU Zip Waterproof Zipper: No spills, all thrills. Reservoir: Stows conveniently behind zippered back panel, leaving you more room for drinks and food. Hose with Spigot: Accessible from exterior of pack, through flow port, giving you easy access for group quick group hydrationa |and fun. Roll-Top Closure: Allows single-handed access while providing greater durability and better thermal efficiency than a zipper. Built-in Carry Handles and Removable Padded Shoulder Straps: Gives you multiple carry options. Trap Door: Separates dry items from ice and provides a second layer of insulation. Stretch Pocket: Perfect for bottle openers and other essential items. Capacity: 18 liters, which means you can stow 16 cans of the beverage of your choosing with 12lbs of ice (and full reservoir). 22lbs of ice, alone. Keeps drinks cold and retains ice for 60 hours. Specifications User Group - Unisex BPA/BPS/BPF Free - true Dimensions - 13.39 x 12.99 x 9.06 in / 34 x 33 x 23 cm Material - TPU Coated 400D Nylon Ripstop Bluesign Approved Weight - 3 lbs 6 oz. / 1540 gm Quick Link - true Pack Weight - 3lb 6.3 oz. / 1540g Gear Capacity - 15L Hydration Capacity - 101 oz. / 3 L