【Product Features】 This case combines two premium materials: carbon fiber and 316L stainless steel. 【Carbon Fiber】 This material is lightweight yet boasts incredible strength, and is also used in aircraft and sports car bodies. Its lightness and durability provide excellent protection for your Apple Watch. 【316L Stainless Steel】 316L stainless steel is a top-grade stainless steel material with excellent corrosion resistance and a beautiful luster. This material is widely used in jewelry and luxury watches, and its shine does not diminish over time. Designed as a racing model, it is ideal for sports and active scenes. 【Compatible Sizes】 ・Series 4, 5, 6, SE [44mm] ・Series 7, 8, 9 [45mm] 【Product Details】 ・Strap Length: 13cm～22cm ・Case Color: Rose Gold ・Band Color: Black / Folding Buckle ・Water Resistance: Complies with Apple Watch's water resistance ・Included: Case, band, screws, screwdriver, protective rubber Please read before purchasing ※Apple Watch body is not included. ※This is not a Golden Concept product.