Backpack Cow Brown Leather 30x13x39cm Mars & More. This beautiful Backpack has the composition Leather. It’s a special product to create a cozy home and fits with most accessories in your house. The weight of is just 0.8100KG, it’s really easy to lift and move the product. This product is available in several sizes. And it has multiple colors. Washing instructions: Wipe with a damp cloth. Size: 30x13x39cm.