Dimensions: 35.56 cm x 25.4 cm x 55.88 cm. Construction: 1000 denier ballistic nylon. Carrying volume: 48 liters. Drain hole. Abrasion and water resistant. Teflon fabric protector. YKK heavy-duty zippers. High nylon traction strap. High-quality closed-cell foam padding # AS-100. Sealed internal seams. Paracord zipper pulls. Double-stitched tension points. Other information: Airline cabin size. Retractable yoke backpack straps. Multiple carrying handles. Removable single shoulder strap with integrated swivel hooks. Dedicated padded 15" laptop compartment. Lockable padded main compartment. Internal compression flap to secure contents. Abrasion and water resistant. Teflon fabric protector.