Lock Laces®: The No-Tie Shoelaces That Keep You Moving No-Tie Convenience: Instantly turn any lace-up shoe into easy slip-ons. Custom Comfort: Elastic laces stretch and conform for a snug, comfortable fit. One Size Fits All: Works for both kids and adults — perfect for running shoes, casual sneakers, and more. Tired of tying your shoes? Lock Laces® make life easier with quick, slip-on convenience and a stretchy, comfortable fit — perfect for athletes, kids, seniors, and anyone who just wants to get out the door faster. TECH SPECS Each pair of Lock Laces contains 2 48” elastic laces, 2 lock devices and 2 cord clips and is suitable for lacing up one pair of shoes. Turn any pair of lace-up shoes into slip-on sneakers. Lock Laces®, originally designed for triathletes, are great for seniors suffering from arthritis or other disabilities, kids, individuals with special needs, runners of all ages, and casual users! One size fits all (kids and adults), quick to install, and easy to use. Each pair is suitable for lacing up one pair of shoes. Easy installation instructions and videos provided. Elastic laces conform to your foot for a custom fit. Added compression reduces discomfort so you can perform your best! Lock Laces® are guaranteed to last the life of one pair of lace up tennis shoes Lace Diameter: 6 Strands, 0.22cm