Each shoelace features a bright silver reflective material that shines when exposed to light, great for those who enjoy running or doing exercise at night and want to remain visible and safe. Good Replacement Shoelaces ?C Woven polyester and material outer and braided stretch polyester inner cord, Shoe bandwidth 0.5cm,durable and thicker than original shoelaces. 12 different colors with 5 different lengths satisfied your need in every situation. Package ?C 1 pair (2 shoe strings) a pack. Unisex shoelaces design for men women kids or high top sneakers sport tennis basketball baseball volleyball shoes boots and more. To Measure the Size ?C Measure how long the laces you’d like to replace before purchase to get the best fit! Measure your original shoe laces tip to tip and then read the size charts in the product photos for reference. Note- Do not use excessive force tied laces,It is easy to cause lace damage. If you have any concern about the product or our services, please feel free to contact us through email.