Flexzion Military Tactical Backpack Outdoor Camping Hiking Hunt Trekking Assault Rucksack Travel Molle Daypack Bag Expandable Waterproof 40L Capacity 600D Oxford nylon, built-in waterproof layer, water-resistance and durability; Can hold laptop up to 15.6" Two spacious main compartments with zip-up closures, as well as a spacious front zip-up compartment; Soft and comfortable EVA-lining reduces pressure on back Molle webbing for extra expansion. Multiple webbing straps on the front, sides and even the bottom of the pack means you can build it to take what you need Heavy duty adjustable padded shoulder straps, waist straps and sternum strap means it will adjust to fit you and relieve pressure while carrying heavy loads Suitable for outdoor activities, from an intense hiking session to a leisurely camping trip, it's always a good choice for you