E-SideStep 3M Reflective Shoe Laces, High Visibility Shoestrings, Bright Round Rope Shoelaces for Sport Sneakers Skates Boots Trekking Basketball Shoes and More Imported Cool and Safe Shoelaces: Each shoelace features a bright slivery 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 safety. Great Backup Shoelaces: With 3 different lengths (120cm 140cm 160cm) you can choose to get the right one.8 colors are available,show as the pictures. Recommendation for Size Measure: Measure how long the laces you'd like to replace before purchase to get the best fit! You can read the size charts in the product photos for reference. Material: polyester and 3 M reflective material Diameter: approx. 5mm E-SideStep's shoe laces are for men/boy, women/girl, kids/children, junior/senior citizens. Try these thick, durable and colorful awesome laces on your Nike, Asics, Under Armour, Reebok, New Balance, Adidas sneakers. For runners, basketball tennis soccer or football Players, fitness enthusiast, crosses fitters, and professional athletes.