Features: Select and thicken waterproof fabric, rain proof and wear-resistant, and give two dust-proof covers, double waterproof travel without worry. tall a strap to change one shoulder in seconds, double shoulder backpack, multi-purpose bag, can carry two kinds of capacity for various purposes. Highly reflective strips are talled on both sides to enhance the safety of night and haze travel. volume can not be pressed, resistant to falling, wear-resistant, tear-resistant. Specifiction : Model: 11-MC-0102 Color: Red, Blue, Green, Reflective Material: thickened water repellent Oxford cloth + carbon fiber pattern Size (approx.): Before : 29*20*43cm/11.42*7.87*16.93inch. After: 29*30*43/11.42*11.81*16.93inch. Weight: About 1.3KG Accessories: Backseat tallation belt, strap, shoulder strap Package Include: 1 x Motorcycle bag 1 x Motorcycle bagcover