Stretch What You Get: 3 pairs of stretch shoe laces (6 laces) and an easy-to-follow installation guide. 1/10" (2.5mm) wide. Installation requires no tools or cutting. No Tie Shoe Laces: Simply slip on and go, no more worrying about tying shoes during any activity. Easy slip-on/slip-off design with elastic laces for quick and convenient use. Once tried, you'll prefer these tieless laces over traditional shoestrings. Compatibility: Ideal replacement bungee laces for running shoes, matching the size and quality of standard laces to restore your shoes. Please measure your original laces before purchasing. After-sale Service: We offer a free replacement if the laces break. Premium Material: Made from high-elastic rubber, durable and resistant to breaking. Allows easy slip-in and ensures a snug fit around the instep with optimal tension. Suitable for high-intensity sports and long-term athletic use.