The watch strap is made of high-quality silicone material, which is waterproof, sweat-proof, soft and comfortable. Applicable model: Compatible with Casio PRW-1100 PRW-1000 PAG-80 PRG-80 watch band. Bandwidth: See detailed picture for specific dimensions. What you get is: a wristband, one tools and three spring pins. 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.