Outdoor Foundry 100% Waterproof Backpack - Dry Bag Closure - Optional Laptop Sleeve - 35L - Padded Back and Straps Ultra tough 500D PVC with frequency welded seams 100% WATERPROOF, RUGGED CONSTRUCTION  Protect your gear from rain, rivers, or ocean waves with welded seams, and an easy to use roll-top closure. The main bag is fully waterproof and can even withstand brief immersion. Floats if it goes overboard! LAPTOP SLEEVE AND INTERNAL POCKETS  Protect your electronics in any conditions. A removable internal liner includes a padded laptop sleeve (perfect for a 15" Macbook Pro or a thinner 15.6" PC) with an additional pocket for a tablet. On the other side are a small and large pocket and even a pen pocket. Never lose your passport at the bottom of the bag again. The liner zips out when not needed or for cleaning. LARGE, 35L DAY-PACK WITH GREAT GEAR ORGANIZATION  Easy access to your gear on the go with a large front pocket with water resistant zipper (perfect size for a hydration bladder, food, and small items you need on the go), two mesh side pockets, and a bungee cord system. PADDED BACK AND SHOULDER STRAPS  Carry any load with a comfortable harness system featuring a cool mesh padded back and shoulder straps. Sternum strap, and a waist belt offer superior load control. SATISFACTION GUARANTEED: All Outdoor Foundry carry a 1 Year Satisfaction Warranty, extendible to 2 years with registration. If you aren't satisfied for any reason, just let us know.