?Premium Material?Our watch band made of high quality 316L stainless steel never get rusty easy to install and remove better breathability and safe to the sensitive skin. ?Muti ColorsySizes?BINLUN smart watch band offer 6 colors:gold/sliver/black/rose gold/gold-silver/silver-rose gold9 sizes:12mm/14mm/16mm/18mm/19mm/20mm/21mm/22mm/24mm. ?Specification? The length of watch bands is 180mm(not include case) and the thickness is 3.1mmThe size can be adjusted according to the circumference of your wrist.Our watch strap can be shortened or extended with the attached link-remove tool to fit your wrist perfectly. ?Compatibility?The top watch bands suit for most brand automatic watch quartz watchor smart watch with standard spring bars.Straight ends and curved ends combination ensure a higher compatibility to your watch. ?Package Included?1 * Stainless steel watchband; 2 * Curved end; 1 * Link remover; 1 * Spring bar tool; 4 * Spring bars; 1 * Cleaning cloth.