Feature 1、Made of high-density aluminum alloy, it is sturdy and fall resistant, safety and reliable. Thickened carbon steel bottom plate has strong compressive and load-bearing capacity. 2、The inside is equipped with leather lining, thick cotton material, waterproof and moisture-proof, with nice shock absorption effect, which effectively protects the stored items. 3、45L large capacity design, easy to store helmets, raincoats, gloves and other riding equipment. Built-in helmet buckle, which prevents the helmet from bumping during riding. Aluminum alloy motorcycle rear trunk has nice durability, sturdiness, drop resistance and reliable quality. Large storage space is perfect for storing your riding equipment, making it a nice partner for your long rides. Quick release design, easy installation. Features: Made of high-density aluminum alloy, it is sturdy and fall resistant, safety and reliable. Thickened carbon steel bottom plate has strong compressive and load-bearing capacity. The inside is equipped with leather lining, thick cotton material, waterproof and moisture-proof, with nice shock absorption effect, which effectively protects the stored items. 45L large capacity design, easy to store helmets, raincoats, gloves and other riding equipment. Built-in helmet buckle, which prevents the helmet from bumping during riding. Quick release double lock design, easy to install. With aluminum alloy handle, thick and strong, easy to carry, not easy to deform. Exquisite corners, thickened, with nice durability, waterproof and dustproof. Nylon limited hinge, heat and cold resistance, nice toughness. Specifications: Color: Black/ Silver(optional) Material: Aluminum Alloy Capacity: 45L Item Size: 435 * 355 * 320mm/ 17.1 * 14.0 * 12.6in Item Weight: 6.75kg/ 14.9lb Package Size: 460 * 420 * 395mm/ 18.1 * 16.5 * 15.6in Package Weight: 8.1kg/ 17.9lb Packing List: 1 * Rear Trunk 1 * Bottom plate 2 * Reflective Sticker 4 * Reverse Buckle 2 * Key 4 * Screw 4 * M6 Nut Package List 1 * Rear Trunk 1 * Bottom plate 2 * Reflective Sticker 4 * Reverse Buckle 2 * Key 4 * Screw 4 * M6 Nut