Using high quality natural rubber materials. Make you feel light, strong, soft and flexible in the process of wearing. Suitable for invicta models: 6977-6978-6981-6983-6986-6991-6996-17566-17885-17887-17878-18040-21930-90083-90082-22309-90084 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.