Backpack Cow Colored Leather 29x8x31cm Mars & More. This decorative Backpack has the material Leather. It’s a creative addition to your interior and fits with most decorative items in your home. The weight of is just 0.7400KG, 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: 29x8x31cm.