I am selling this because I no longer need it. [Large Capacity Design for Excellent Storage] Available in two sizes: 48L (approx. 55 x 28 x 38cm) and 66L (approx. 64 x 32 x 46cm). It can easily store helmets, clothing, camping gear, shoes, and more, making it suitable for a wide range of activities from solo camping to long touring trips. This versatile design combines high waterproof performance with a large capacity. [Excellent Waterproofing and Durability with Fully Waterproof PVC Material] Made of 500D high-density PVC waterproof material, it protects your luggage from rain and mud. It is ideal for outdoor activities, motorcycle touring, camping, marine sports, and more. Despite the thick material, it is lightweight, with the 48L type weighing approximately 764.7g and the 66L type weighing approximately 918.5g, making it comfortable to carry. [4-Way Specification for Versatile Use] Supports four ways of use: carrying on your back, carrying by hand, shoulder carrying, and seat fixing. Comes with a shoulder strap and fixing belt, making it useful for motorcycles, kayaks, boats, and other purposes. [Reflective Tape Design for Safe Night Riding] Reflective tape is placed on both sides of the bag to ensure visibility at night and in rainy weather. Designed with safety in mind, it is safe for night touring and commuting. [Lightweight and Sturdy Construction for Long-Term Use] The combination of aluminum buckles and PVC fabric provides excellent abrasion resistance and impact resistance, making it suitable for long-distance travel and bad weather. Ideal for outdoor and touring enthusiasts.