1. Silicone material with good stretchability; Elastic shoelaces can withstand relatively high tension and adjust the elasticity according to your shoes to match the elasticity of your feet, providing appropriate compression and support, reducing pressure points, and making you feel better throughout the day. 2. The cool, innovative, and ergonomic lace free design is suitable for most children and adults in shoe sizes, whether you are an athlete participating in high-intensity sports, a mother who wants to end an untied shoe, or just can't or doesn't like to tie shoelaces. 3. A pack of 24 shoelaces with 8 colors to choose from. You can decide on the color, size, and decoration of the shoes, adding more fun, functionality, and fashion to your shoes, making them look cool. 4. Say goodbye to the tie and turn the shoelaces into overshoes. After installation, there is no need to bend down to tie the shoelaces, saving time and effort in tying and adjusting the elasticity of the shoelaces. You can easily change the shoes to different styles, so you can adjust the shoelaces anytime and anywhere without taking them off completely. There are white options, black and multi-color sets available, which can be paired with different shoes such as sneakers, sports shoes, sandals, casual shoes, etc. 5. Elastic shoelaces are waterproof, soft, comfortable, durable, and easy to clean. When they get dirty, just wipe them with a damp cloth and they will look like new!