1:The watchband made of high quality resin is waterproof, sweat resistant, soft and comfortable.2:Replacement Fit for Casio GW-A1100 GW-A1000 GW-4000 GA-1000 1100 1200 G-1400 series watch band 3:Bandwidth: Specific size of special models see the detailed picture.4:Here's what you get: a set of straps, 2 tools。5: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