High Quality】Made of high-density Oxford cloth, lightweight and durable, no need to worry about any ripping or break during travel. And the waterproof material also can help to separate your wet and dry items, protecting your gears from rain or wet._x000D_ 【Large Capacity】Ordinary size : 12.5 x 19 x 8.5 inches, Folded size: 11.5 x 7.5 inches, Extended size: 15 x 17.5 x 8.5 inches. The internal folding design allows the product to have more capacity and space.