Width and Material: These flat shoelaces for sneakerss are approximately 8mm (Approx 5/16 inch) Widem wide and made of high-quality polyester material with a durable weave construction. Perfect for school, work, or sports activities. VERSATILE FIT: The flat shoe strings fit a wide range of shoes, including high-top Converse, Vans, Nike blazers low, Air Force 1, running shoes, walking boots, school shoes, long boots, canvas shoes, roller skates, and snow boots. Multiple Lengths Available: We offer 11 different lengths shoelaces for sneakers: 24"/60cm , 29"/75cm , 36"/90cm , 39"/100cm , 43"/110cm , 47"/120cm , 51"/130cm , 55"/140cm , 59"/150cm , 63"/160cm , 71"/180cm.From low-top canvas shoes to high-top boots, for the best fit, measure the length of your existing flat laces. Color Matching: Classic regular styles - white shoe laces, black shoe laces,navy blue shoe laces,and more fat shoe lace color schemes. Each pack includes 3 pairs (6 laces) of flat shoestrings, making it easy to give your shoes a clean and polished look.