1Reliable Material: The travel luggage bag is made from tear resistant material, ensuring its longevity. The main frame, supported by reinforced steel wire and PE board, provides sturdy stability. 2Large Storage Capacity: Offering a standard capacity of about 40L, the bag's capacity can expand to 60L with the opening of double extension zippers. With dual zipper pockets and ample compartments, you can conveniently store your belongings. 3Enhanced Safety: The back of the motorcycle trunk bag displays reflective strips to improve safety during night rides. An added anti slip, wear resistant base improves slip resistant and durability. 4User Friendly Design: Designed with elastic cords at the top, it is easy to carry hanging items. A shoulder strap and two extension straps allow for extra carrying capacity. The newly designed lock buckle prevents straps from slipping, eliminating concerns of loosening during rides. 5Versatility: This expandable motorcycle tail bag is fit for various types of motorcycles, including large and medium ADV touring bikes, short distance street bikes, city retro cruisers, and more. Item Type: Motorcycle Tail Bag Material: 1680D Polyester Color: Black Capacity: 40L expandable to 60L Fitment: Suitable for large and medium sized ADV travel motorcycles, medium short distance street bikes, city retro cruisers, scooter motorcycles 1 x Motorcycle Tail Bag 1 x Shoulder Strap 2 x External Fixing Straps 4 x Fixing Straps 1 x Rain Cover 1 x Instruction Manual