Carhartt Force Advanced 28L Laptop Backpack. With the ultra-durable Duravax-base, this pack is tough enough for the jobsite, and with 3-compartments to organize your stuff, its ready to go wherever you go when the workday ends 1200-denier polyester with Rain Defender durable water repellent and Duravax abrasion resistant base. Pack features large main compartment with ample space for gear and a dedicated tablet sleeve. Two exterior mesh pockets Dedicated padded compartment with side zipper can hold 15-inch laptop, top compartment with pocket for power pack and cord port, and front zippered organization compartment Padded air mesh back panel and contour fit shoulder straps with FastDry technology wicks away sweat for comfort. Webbing strap on back panel can fit over dual trolley handle of wheeled bag Backpack Dimensions: 12” X 18” X 10” Volume: 28L