The watch band is made of high quality rubber material, waterproof, sweat resistant, soft and comfortable. Applicable model: compatible with Invicta models 1395 1396 6177 6178 6180 6182 6829 80585 80582 12040 12047 12051 12056 12057 12344 16252 16248 16253 16254 16313 16314 16830 18543 18548 18552 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.