Made of 840D polyester. 210D PVC lining. Detachable/adjustable padded shoulder strap and web carrying handles with comfort grip. 2 double-zippered main compartments, including padded pocket for laptop and tablet. Expansion zipper provides 2.5" of additional space. Large double-zippered front compartment with inside and outside zippered pockets and lots of compartments for accessories. Large back zippered pocket. Trolley sleeve with hook and loop closure attaches to wheel cart. Accommodates most laptops up to 17". Spot clean and air dry only.