The strap is made of high quality rubber material, waterproof, sweat resistant, soft and comfortable. Applicable model: Compatible with Patek Philippe Nautilus 5711 1A010 5712 5712G 5726 5980 25mm watch strap. Bandwidth: See detailed picture for specific dimensions. What you get: a bracelet, a tool. 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.