Durable MaterialLazy elastic shoelaces are made of good quality nontoxic silicone with Acsergery good stretchiness, rainproof and snow-proof, The elastic shoe ties can bear amazing tension and adjust the tightness according to your footwear, providing a comfortable fit for any size shoes. .Innovative Design AdvantageNew & improved strap and closure design for increased durability and security. Bears amazing tension as T-shaped ends are strong to bite into eyelets and hook up for connection.Great for all athletic activities, indoors or outdoors. Fits for board shoes, sneakers, casual shoes and so on. .Perfect For EveryoneWhether you are an athlete that practices high impact sports, mom who wants to end untied shoelaces, or simply can't or don't like tying shoelaces.especially fit for kids, senior parents or someone who has a hard time keeping his shoe laces tied. Suitable for sneaker, board shoes, sandals, casual shoes and so on. .Easy to CleanThese elastic shoe laces are flat, waterproof, soft, comfortable, durable and easy cleaning. When they get dirty, simply wipe them off with Acsergery a wet cloth and they will look brand new Simple use & maintenance, free match and install for best tightness, no need to follow graduated lengths one by one, easy to install, so you can adjust the laces anytime and anywhere without having to remove them all. .Fun Elastic ShoelacesSnug & Stretchy Support.Wrap sides and top of a shoe for sock-like wearing. No compression on insteps or veins. They adjust to moves of a foot by stretching out and bouncing back like a spring. All round comfortable. No need to bend down to tie your shoes once installed, Save time and effort add more fun, functional and fashionable addition to your footwear. .