600-denier polyester. Nylon lined. Black vinyl piping around edges. Detachable- adjustable and padded 1 1/2\" wide shoulder strap. Carrying handle. Two front adjustable clasp closures. Main compartment with zipper closure. Organizer panel with various compartments. Detachable key ring and ID tag. Exterior zippered compartment on flap. Slip pocket on outside back. Bottom gusset expands to 6\". Laptop and PDA friendly. 17\"W x 13\"H x 4\"D.