Feature 1、The overall appearance adopts the aerodynamic flowlinear modeling design, which reduces the wind resistance and stylish. 2、The main body is made of thickened and hardened EVA material, which has fine plasticity and cushioning functions and protects the items in the bag from damage. 3、Expandable design, about 18L capacity after fully expanded. This motorcycle bag is with wide applications, suitable for most motorcycles. It is waterproof and wear-resistant, expandable large capacity suitable for medium and long distance motorcycle travel storage. Features: The overall appearance adopts the aerodynamic flowlinear modeling design, which reduces the wind resistance and stylish. The main body is made of thickened and hardened EVA material, which has fine plasticity and cushioning functions and protects the items in the bag from damage. Expandable design, about 18L capacity after fully expanded. Two mesh breathable shoulder straps for easy shoulder carrying, and with a rubber handle design for easier lifting. Simple four points straps fixation, suitable for most motorcycle models. The bottom of the bag is made of thickened antislip and wear-resistant material, which can fit well with the motorcycle and provides cushioning. Specifications: Type: MTR4001KC, MTR4001KM (optional) Main color: black Main material: polyester+mesh+EVA Capacity: 12-18L Item size(fold): 300 * 230 * 180mm / 11.8 * 9.0 * 7.1in Item size(expand): 300 * 230 * 250mm / 11.8 * 9.0 * 9.8in Item weight: 985g / 2.2lb Package size: 320 * 280 * 180mm / 12.6 * 11.0 * 7.1in Package weight: 1200g / 2.6lb Packing List: 1 * Motorcycle Rearseat Bag 2 * Shoulder Belts 4 * Fixing Belts Package List 1 * Motorcycle Rearseat Bag 2 * Shoulder Belts 4 * Fixing Belts