Packing: 20 Pair(40 Laces)tennis shoe laces(when you put quantity "1",means you will get 40 Laces of shoelaces);The length of error range: 2-3CM(these shoelaces were meassured and cut by mechine,can have 2 to 3 cm differences);Material:polyester,the plastic head length about 2CM;The best way to find the length of running sport shoe laces oval is you need remove the current shoelace from the shoe or boots,then measure it from tip to tip,this is the length for the new shoelace - keeping in mind to add or subtract the length to your new laces if your old laces are too long or too short.The oval athletic shoelaces for kids or adults are ideal match of athletic shoes/running shoes/sport shoes/tennis shoes/sneakers/boots etc.The athletic shoe laces for sneakers,boots,golf shoes,tennis shoes,basketball shoes,running shoes.And many different lengths are available,texture fineBecause of light effect of displays of different computers,some slight color differences of the shoe lace are inevitablewelcome to visit our shop.