PREMIUM MATERIAL: The fat shoe strings with strong pull design, 100% Polyester materials,fine Texture, multi-line tightly woven, fashionable and non-slip. It is not easy to loose in running and all kinds of strenuous sportsCOMPATIBILITY: Replacement Basketball shoe laces , which will make your shoe laces brand new again, no more worrying about your shoe laces getting dirty or brokenCUSTOMER CARE: Please do not worry about the durability. If there is any quality problem, please immediately and we will provide you with a satisfactory solution.WHAT YOU GET: 1 Pair 5/32''(4mm) shoe laces (2 laces), we have 36'',45'',54'',63" inch in length, you can choose one size you need.TIGHT WEAVING: Tight braided laces with sealed glue ends to prevent fraying, easily thread. Just pick the color that best matches your shoes.