TMS TBOX-JK2016-K Matte Black X-Large Motorcycle Scooter Luggage Trunk Top Case Tail Box (Fits 2 Helmets New) Case is 23" L x 17" W x 11 3/4" H (Outside dimensions) Color: Black; mounting hardware included (nuts, bolts, washers, luggage rack brackets; rack is not included) New Model, Now with Plastic base mounting plate. Travel with style!; 2 Helmets fit inside. Case comes with lock and keys.