StrapspecificationMaterial: Stainless steelColor: gold, black, silver, rose gold, blueClasp type: double safety buckleBandwidth: 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 24mmTips: Choose a strap of appropriate width, measure the length of your wrist, measure the width of the lugs, and choose a strap of appropriate size.The package includes: 1*watch strap, 1*disassembly tool, 1*ear ears, 1*instruction, 1*video tutorial, 1*wooden box packaging. (Need to install by yourself)notes:Due to manual measurement, please allow a deviation of 1-2cm.The colors on the website may be slightly different due to the computer’s image resolution and monitor settings.