Size: 30-45L Used for fishing and packrafting. Although I haven't used it more than 10 times, the backpack is white, and since it was used outdoors, it may show some dirt. I have taken photos of any dirt, scratches, or other damage as much as possible, but there may be some that I have missed. Please understand that this is a used item before purchasing. Returns and claims will not be accepted due to reasons such as the condition being worse than expected. Waterproofness Resistant to splashes and short-term immersion. Waterproofness test: Test 1: "Puddle" Withstands immersion in 10cm of water for 8 hours. This test is equivalent to floating in water accumulated in a boat or falling into water for a short time. Test 2: "Shower" Withstands continuous rainfall of 450L/m²/h for 4 hours. This test is equivalent to heavy rain or splashes from waves. Capacity With a capacity of 30L, it can carry items such as food and clothing. Capacity when in use: 30L. Height: 55cm. Width: 35cm, Thickness: 25cm. Weight: 897g. Durability PU (polyurethane) coating & TPU laminate processing 600D polyester material. Pockets 3 compartments (one of which is A4 size). 2 small zippers. 1 non-waterproof pocket on the outside. Please refer to the official sales site below for a detailed product description. https://www.decathlon.co.jp/products/waterproof-backpack-30l?variant=30885932138576&currency=JPY&utm_source=google&utm_medium=organic&utm_campaign=New%20feed&utm_content=ITIWIT(%E3%82%A4%E3%83%86%E3%82%A3%E3%82%A6%E3%82%A3)%20%E3%82%AB%E3%83%A4%E3%83%83%E3%82%AF%E3%83%BB%E3%82%B5%E3%83%83%E3%83%97%20%E3%83%80%E3%83%83%E3%83%95%E3%83%AB%E3%83%90%E3%83%83%E3%82%AF%E3%83%91%E3%83%83%E3%82%AF%20%E9%98%B2%E6%B0%B4%2030L