1. With these laceless laces, you can enjoy your trip with no interruptions, the locking system holds the laces together so they won't be untied again, with laceless laces, you don't need to worry about the laces coming loose again, these wonderfully elastic laces will save you the trouble of lacing up so you can spend more time on other meaningful things. 2. The elastic laces are 48 inches long and can be stretched to 72 inches long to meet the needs of most lace-up shoes, or they can be trimmed to the desired length with scissors for quick installation and ease of use. 3. The locking system is replaced by a heavy-duty lock, so lock your stretched laces, even during intense exercise sessions. Adjustable compression keeps the shoe snug while reducing pressure points so your feet are comfortable and enjoy running without the hassle of lacing up. 4. These laces turn your sneakers into a pair of slip-on shoes. Not only do they blend in with a variety of sneakers, tennis shoes, canvas shoes, water shoes and more, but they also speed up their transformation for triathlons, hiking, running, bungee jumping or other sports. 5. Each pair fits the laces of one pair of shoes. We know that once you try them in your shoes, you'll love the comfort of it.