BMW Genuine Motorrad Motorcycle Waterproof Main Compartment Large Soft Rear Bag BMW Genuine Motorrad Motorcycle Waterproof Main Compartment Large Soft Rear Bag Soft rear bags for use on all models - Volume: approx. 50 liters, expandable to 55 liters (volume expansion in outside side pockets) - Highly tear-resistant polyester fabric - Bottom lining in EVA (ethylene vinyl acetate) maintains shape, with anti-slip coating Waterproof main compartment, water-repellent outer pockets, carrying handles, shoulder strap - Simple fastening with length-adjustable straps with plug fasteners