Louis Vuitton top-grade original, dynamic 163 code chip .M13389 pink small size M13387 black small size .M13357 black large size M13358 gray large size Coussin Backpack mini bag is shaped with Monogram leather for a lightweight structure, paired with a detachable Coussin chain. The exquisite metal LV padlock ensures security for daily essentials, suitable for backpacking, shoulder carrying, or hand carrying.21.0 x 26.0 x 10.0 cm (L x H x W) .15.0 x 20.0 x 7.5 cm (L x H x W) .Lambskin leather .Cowhide leather trim .Fabric lining .Metal fittings .Magnetic closure .Zippered outer pocket .Padlock .Can store smartphone, keys, Victorine wallet, and headphones .Shoulder strap: detachable, adjustable .Strap drop length: 30.0 cm .Strap drop adjustable up to: 37.0 cm .Chain: detachable .Chain drop length: 17.0 cm .Handle: single handle