Using high quality natural rubber materials. Make you feel light, strong, soft and flexible in the process of wearing. Suitable for invicta models: 16153 6117 17878 17877 17879. Band Width: 24mm x 26mm. WHAT YOU GET: 1 x Watch Band, 2 x TooL。 If you have any problems, please feel free to contact with us. We are very happy to help you.