Product information: Color: Black-silver buckle, blue-silver buckle, green-silver buckle, red-silver buckle, dark brown-silver buckle, light brown-silver buckle, green-black buckle, light brown-black buckle, black-black buckle, blue-black buckle, red-black buckle, dark brown-black buckle Material: genuine leather Specifications: 18mm,20mm,22mm,24mm Applicable models: Universal Product Size: 18.20.22.24mm Interface Type: straight buckle