1、Adopting good quality nylon material, this product is wear-resistant, water-proof and durable for long term use. 2、The overall shape is round and beautiful without losing lines, its color is youthful and energetic, in line with current trends. 3、Breathable and anti-shock shoulder straps, comfortable to wear. Its s-shaped shoulder strap and inverted triangle profile, can effectively distribute shoulder pressure for long-term easy riding. 4、12L large capacity, can carry all the daily needs, reasonable space separation also allows you to better organize. 5、Its comfortable carrying capacity, versatile pockets, waterproof features will be a good companion during your riding. Features: Adopting good quality nylon material, this product is wear-resistant, water-proof and durable for long term use. The overall shape is round and beautiful without losing lines, its color is youthful and energetic, in line with current trends. Breathable and anti-shock shoulder straps, comfortable to wear. Its s-shaped shoulder strap and inverted triangle profile,  can effectively distribute shoulder pressure for long-term easy riding. Special waterproof coating treatment and big hat design, rain water drops with the surface, can effectively resist rain erosion in a short time. 12L large capacity, can carry all the daily needs, reasonable space separation also allows you to better organize. Its comfortable carrying capacity, versatile pockets, waterproof features will be a good companion during your riding. Specification: Item: Cycling Backpack  Material: Nylon Color: Black, Rose Red Size: 19*12*42cm/ 7.5* 4.7* 16.5in Capacity: 12L Weight: 454g Package Included: 1 * Cycling Backpack  1 * Helmet Net