Aupek Sport Round Shoe Laces Reflective 4 Different Lengths Thick 10 Colors White Shoelaces 1 Pair (2 laces pack) - OUTER: Woven by polyester and reflective material. Inner: Braided elastic polyester. The structure makes them more thick and durable than ordinary shoelaces. Details - Approximately 4/17 inch wide, 7/9 inch long hard plastic tip, 27 inch long good for kids and 3-4 eyelets shoes. Stylish Design  Diamond pattern, shines when exposed to light, help to keep visible and safe when doing night exercise. Show off your style at the mall, on the town or at the gym. Recommendation for Size Measure - To get the best fit, please measure your old shoelaces from tip to tip then read the size charts in the product photos for reference. Warranty - Aupek LIFETIME warranty and nice after-sales services guarantee. Any concerns of the product and our service, please feel free to contact us through email.