1.Reflective wrist strap 2.Material : PVC 3.Reflectivity : >100 cd/lx.sq.m 4.Width: 3.0 CM 5.Length:30/ 34/ 41 CM Reflective wrist strapCY8311 Wrist brandMaterial : PVCColor: White,Yellow,Red,Green, Blue ,OrangeReflectivity : >100 cd/lx.sq.mWidth: 3.0 CMLength: 30/ 34/ 41 CM