This is a double-sided window pass case with a chain. It comes with a chain that can be attached to a bag or school bag. I bought it for my child, but it's unopened because "I don't like black." Color: Black Size (approx.): [Body] Width 75 x Depth 4 x Height 110mm [Chain] Length 350mm (excluding hook) Weight (approx.): 28g Material: [Body] Cowhide leather [Chain] Steel Retail price: 1,430 yen (tax included) Color: Black系 (Black-based) Material: Genuine leather Stains, tears, odors, etc.: None