ROCK BIKER 18-24L Carbon Fiber Motorcycle Tail Bag Waterproof Motorbike Rear Back Seat Bag Moto Luggage Helmet Bag Rider Backpack Specifications: Name: Motorcycle Back Seat Bag Small Size: 25*28*18cm Big Size: 32*38*24cmextend high 16cm Capacity: About 18-24 L Color: Carbon Fiber Fit for helmet:Big size bag(Please confirm the bag size whether suitable for your helmet ) Application: Motorcycle, Electric Moto, Motobike, Motocross, Racing ,etc Product description 1This is a expandable tailbag with buckle that can be easily fixed 2Made with anti-collision ABS Hard-Shell and wear-resistant ,oxford fabric, waterproof, fall-resistant and durable 3the motorcycle backseat, can be used as backpack or handbag Package Included: 1*Motorcycle Back Seat Bag 1*Back Seat Strap 2*Shoulder Strap 1*Rain Protection Cover LA-0114A & LA-0114B Specifications: Name: Motorcycle Back Seat Bag Small Size: 25*28*18cm Big Size: 32*38*24cmextend high 16cm Capacity: About 18-24 L Color: Carbon Fiber Fit for helmet:Big size bag(Please confirm the bag size whether suitable for your helmet ) Application: Motorcycle, Electric Moto, Motobike, Motocross, Racing ,etc Product description 1This is a expandable tailbag with buckle that can be easily fixed 2Made with anti-collision ABS Hard-Shell and wear-resistant ,oxford fabric, waterproof, fall-resistant and durable 3the motorcycle backseat, can be used as backpack or handbag Package Included: 1*Motorcycle Back Seat Bag 1*Back Seat Strap 2*Shoulder Strap 1*Rain Protection Cover