Patagonia Black Hole Messenger 24L 29 centimeters high 48 centimeters wide Light and strong polyester ripstop with highly weatherproof TPU laminate. Fabric is bluesign approved Main compartment contains two mesh pockets, key keeper and an organizer panel; interior padded sleeve protects most 17" laptops Fully adjustable shoulder strap Three-point adjustable stability strap and padded carrying handle ensure a secure and comfortable carry Main flap with daisy chain, LED attachment loop, and external pocket with reversed coil zipper; second zippered pocket and additional daisy chains under the flap