The strap is made of high quality silicone material, waterproof, sweat resistant, soft and comfortable. Applicable model: Compatible with GUESS W0247G3 W0040G3 W0040G7 U0571L1 U1049G9 45MM watch strap. Bandwidth: See detailed picture for specific dimensions. What you get: a bracelet, two 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.