Hydro Flask 15L Soft Cooler pack. The 15L Unbound Series™ Soft Cooler Pack is small enough for a trip to the park, yet durable enough for the backcountry. This insulated, waterproof backpack keeps your favorite food and drinks chilled upon arrival each and every time. Load up with your favorite food and drinks and keep them cold for up to 48 hours. Dry storage pockets keep dry things dry and side pockets give you a nice place to stash keys, phone, your Hydro Flask bottle, or other essentials. YKK's Watertight AQUASEAL® zipper and welded seams ensure leakproof transport; no water in, and no water out. Mesh back panel and woven sternum strap for ultimate comfort and stability, no matter where the day takes you. Durable 420D nylon shell is waterproof and rugged yet easily looks the part for the city or wilderness. True Access hinged top keeps the interior of our Soft Coolers easy to access and easy to clean. Comfortable woven sternum strap and carry handles. Compression molded base for unsupported self-standing. Welded nylon attach mounts. Side pockets fit 12 - 24 oz Standard Mouth Bottles, 12 - 24 oz Coffee, Wide Mouth & Kids bottles, and 25 oz Wine Bottle. Dimensions: 18.5". Weight: 2.5lb. 5 year manufacturer warranty. Imported.