900 denier polyester. Travel bag - converts to backpack. Padded backpack shoulder straps with d-rings, can be tucked away into large zippered back pouch. Waist strap with quick release buckle. Large zippered expandable main compartment with 2 interior adjustable tie down straps. Contains quick release buckles. 3 ways to carry - top carry handle, side carry handle, and adjustable shoulder strap. Reinforced stitching. Front MOLLE loops. Front zippered mesh pouch. Zippered organizer compartment with pen holder, ID holder and inner pouch with hook and loop closure. Zippered pouch with 3 separate inner zippered pouches. Padded waist strap with hideaway pouch. Padded backpack shoulder straps with d-rings. Large zippered expandable main compartment with two adjustable tie down straps with quick release buckles. Large expanding zippered compartment Perfect to carry on a plane. Coyote tan colored bag. Dimensions: 21" x 14.5" x 8".