After-Sale ServiceWe are so confident in our sneakers shoe strings that we will replace them for free if they would ever break! Just leave us message and let us know the situation. Which Length You ChooseMeasure the length of your current shoe laces in inch or cm so you will get the length for the new shoe laces. Keeping in mind to add or subtract to your new laces if your old laces are too long or too short. Full of TextureExcellent material, weaving process is stronger, tighter and more textured, more smooth. Designed for those who value both time and style, these laces offer a seamless transition into comfort. Fit For Most ShoesSuitable for ladies, men, teenagers, children, girls or boys who want to replace shoelaces. Suitable for sports shoes, board shoes, casual shoes, running shoes, canvas shoes, tennis, roller skates and etc. Specifications DetailsIncludes 1 pair(2 laces) flat shoestrings, Made from polyester; Approximately 1/4 inches (6mm) wide, Length: 39/45/54/63inches, Color: black or white.