Stainless Steel Material: Made of premium 304 stainless stee. And the double button folding clasp is extra thick and convenient to use, never loosens or falls off like common market products. Professional look: Gradient slender & ultra-thin design enables your for Apple Watch for all occasions. Vacuum plating process, highly durable color. Superior design: Quality construction with strengthend solid links make the band stand out. Removable links for length adjustments, easy to install and remove. " Business Style: Elegance and durability style perfect for work, leisure occasion or other daily occasions. Besides, every detail has been taken into account in the manufacturing process in terms of workmanship, design and aesthetics Compatibility:Compatible with Apple Watch Series 1, Series 2, Series 3, Series 4, Series 5, Sport and Etc.