Please note： Because it is Genuine Leather Each leather will have a color difference Unique Design: The watch band’s outer surface is made of high quality genuine leather and the back is nature black silicone rubber. It is a hybrid sweatproof strap, comfortable and lightweight to wear. Comfortable Band: Leather is comfortable, except in the summer when the heat makes it stick to your skin. But our this hybrid band fixed this problem, by adding air channels to the inner surface of the band, giving your skin room to breathe. Security: Band comes with stainless steel connectors on both ends, which lock onto the watch precisely, easy to install and remove. No tools are required.