MOTORCYCLE BACKPACK / MOTOCENTRIC HELMET BAG attractive appearance, waterproof material, black color with gray logo . comfortable and aerodynamic, adjustable capacity up to 37l , fits any type of motorcycle, 2in1 - can be used as a bag attached to the seat or as a normal backpack, BACKPACK INCLUDED: waterproof cover, harness to be worn on the back , shoulder strap, straps for mounting on the motorcycle seat. BACKPACK DIMENSIONS: before unfolding: 43/29/20 cm (25L) when unfolded: 43/29/30 cm (37L) EASY ASSEMBLY remove the seat, install the straps under the seat, put on the seat, put the backpack on the seat and tighten it with the straps. Travel comfortably in all conditions thanks to the waterproof Oxford material and an additional cover. The backpack, when unfolded , will easily accommodate a full-face helmet or other bulky items. Removable, soft mesh backpack straps reduce pressure and ensure breathability, and the twill lining with EVA foam provides high comfort for the back. The flexible mesh can be used to attach gloves, light clothing and other soft items needed for travel. A two-way waterproof zipper makes it easy to pack items quickly and securely.