Description: Spacious and Practical Design: This motorcycle tail box offers a large capacity, great for storing your essentials. It features enhanced waterproofing, shock resistance, and wear resistant materials to ensure safe and durability Premium Material Construction: Crafted from high density T5052 aluminum alloy, this luggage trunk is designed with a fashionable appearance while ensuring great alignment of screw holes and dimensions for easy installationEnhanced Interior Protection: The interior is lined with thickened PU leather and cotton materials to provide additional protection against minor impactsSecure Storage Features: Equipped with an internal helmet strap to keep items organized and secure during transit. The carbon steel quick release base plate adds extra thickness for improved load bearing capacityConvenient Handling and Security: Features a sturdy aluminum alloy handle that is thickened for strength, making it easy to carry without deformation risks. The double quick release lock design allows for a touch removal while ensuring the security of your belongings Specification: Material: Aluminum Size Chart: 41cmx33cmx30.5cm/16.14inchx12.99inchx12.01inch Package Includes: 1 Motorcycle Top Case (Two types of linings for the case are delivered randomly) 1 Base Plate 1 Pair Reflective Tapes 4Buckle Sheets 2 Keys 4 Screw 4 Bolts 1 Manual Note: Please allow slightly errors due to manual measurement and different packages.