Applicable for A-p-p-l-e Watch Case IWatch Waterproof Protective Case Tempered Film Integrated Protective Case IWatch Generation 8 PC ShellMaterial: PCArticle No.: 036Color: transparent [bare shell membrane integrated model] [applicable to 49MM (Generation 8 Ultra)]Overall dimensions: 42mm, 49MM (Generation 8 Ultra)Suitable for A-p-p-l-e 8 new watch strap Apple Watch Ultra metal star color mountain loop, all 49mm watches onlyPacking list: opp bagColor: Starlight, black, orange, greenSpecification: 42/44/45/49mm (stainless steel head piece) strapBand material: loopbackInterface type: straight interfaceInterface size: 42/44/45/49mm