EASY TO INSTALL : Our Elastic shoe laces Just wear a lace and tighten the screw lock. tie the knot and tighten the screw lock, it is very convenient. Fasten once and never tie your shoes again. turns lace up shoes into slip-ons., HIGH QUALITY SHOELACES : Tieless laces are made with an elastic memory fit material that conforms to your feet providing comfort and support. Shoelaces are the best compliment for sport shoes and leisure footwear, UNIQUE LOCKS SYSTEM : You don't need to worry the shoe laces being loosen frequently, saving the time of tying the shoelaces, PERFECT FOR EVERYONE : These elastic no tie shoelaces are perfect for kids, adults and seniors, and great for running, walking, hiking, biking and so on. no-tie laces are perfect solution whether you are an athlete that practices high impact sports.,