Bicycle bag. Compartments - 1 padded laptop, 1 zip attachment, 1 elastic mesh, 1 left and right compression strap 1 flap with hook-and-loop fastener,2 fasteners for luggage racks and 1 back zipped. 2 shoulder straps padded. Stowable - approx. 50 cm - 95 cm. Dimensions - W - 41 cm, Ht - 55 cm, D - 15 cm. 100% Polyester.