Turn any pair of shoes into a slipon with the Lock Laces No Tie Shoelaces in Black, originally designed for Triathletes, but adopted by anyone with difficulties tying laces, or who simply want the convenience of quick slipon shoes, these make you shoe onoff effortless. The Lock Laces No Tie Shoelaces use a stretch build to conform to your foot shape for a custom, precision fit.Perfect for lacing up one pair of shoes, this pack includes 2 X 48 elastic laces for a one size fits all design, from adults to children, 2 lock devices and 2 cord clips. Includes 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.Notie Lacing System Turn any pair of laceup shoes into slipon sneakers.Perfect For Everyone 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 usersOne Size Fits All 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.Stretch Fit Comfort Our elastic laces conform to your foot for a custom fit. Added compression reduces discomfort so you can perform your bestLace Diameter 6 Strands, 0.22cm