BEST REPLACEMENT SHOELACE-This round shoelace has a strong outer layer,so the shoelace will be more wear-resistant and not easy to pilling and breaking.LENGTH SELECTIO-The thickness of the round shoelace is 5mm,and the thickness of the flat shoelace is 8mm. 5 lengths:90 cm, 100 cm, 120 cm, 140 cm, 150 cm (select according to the number of holes or the length of the old shoelace).STABILITY-The non-slip ridge design helps the laces to be stably fixed on the boots or shoes.EASY TO USE-This shoelace has a strong plastic tip,which is used to easily insert into the hole and prevent the shoelace tip from deforming.APPLICATIONS-Suitable for any type of casual shoes,or athletic shoes, boots, even skates, to create your own style.