Using high quality natural rubber materials. Make you feel light, strong, soft and flexible in the process of wearing. Suitable for invicta models: 1155 1157 6564 6565 6566 6567 6569 6575 6576 6582 6583 6568 6584 6585 6586 11503 11510 11515 11810 16141 16142 16143 16144 16145 16146 16147 16308 16984 Band Width: 26mm x 32mm. 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.