regular size: 18", 19", 20", 21", 22", 24", 28" color: white, light blue, green, yellow, pink, orange, etc.. elastic: single, double, 0.3 flat elastic, etc.;regular packing: 100 pcs/polybag/printed inner box, 2,000 pcs/ctncolors: as requested Welcome inquiry emails or phonecalls!