100% Polyester. Length: 41cm. Width: 33cm. Height: 31cm. Design: Checkerboard, Logo, Retro. Fastening: Zip. Adjustable Shoulder Strap, Grab Handle, Padded Straps. Compartments: 1 Main Compartment, Bottle Holder. Pockets: 1 Front Pocket. 100% Officially Licensed. Lightweight, Sturdy. Characters: Sonic.