The watch band is made of high quality rubber material, waterproof, sweat resistant, soft and comfortable. compatible with Invicta models:0902 0903 0904 0908 0911 0912 0913 0915 0917 0918 0919 0920 watch strap. Bandwidth: See detailed picture for specific dimensions. What you get: a wristband, two tools. After receiving the strap, please do not rush to install, first compare with your original strap and dial, determine the appropriate, and then install. If you have any questions, please feel free to leave a message to customer service, customer service will reply to you within 24 hours.