1. This is a portable lazy lace-free shoelace, suitable for adults and children, especially for children, elderly parents or people who have a hard time tying shoelaces; suitable for running shoes, sneakers, sandals, etc.2. Include 24 pcs no-tie shoelaces, non-toxic silicone material, with good elasticity, you can adjust the tightness according to your shoes, only suitable for shoes with grommets/eyelets; these shoelaces turn lace-up shoes into slip-ons so you don't have to worry about the laces coming loose and save you time.External Material: SiliconeInternal Material: SiliconeSole: Silicone3. They upgrade your shoes. A shoelace, a variety of tying methods, to meet your travel matching needs, make your shoes more fashionable and novel. Each lace is the same length, but you can change the tightness of the shoe by tying it differently, which also provides a variety of possibilities for your shoe style.4. Environmentally friendly silicone material, waterproof and easy to clean, easy to install, don't worry about tying shoelaces.