LIBERATE YOUR HANDS! – No tie elastic System – Made with high quality elastic cords,distribute pressure of laces evenly over your feet.Once locked, you will never have to tie your shoe laces again. SIMPLE INSTALLATION & TIME SAVING – Quickly install and easy to use. One size fits all (48 inches long that can stretch up to 80 inches.) Easy installation instructions provided. To ensure a proper fit. No tie shoe laces could save you time and effort as your shoelaces will never come loose again EXTRA COMFORTABLE – Conform to your feet for better comfort by reduce pressure points at the top of your foot to comfort your feet throughout the day, allowing you to perform at your best. It??s different to traditional shoelaces. PERFECT FOR EVERYONE -Our Lock shoelaces are perfect for Runners, Health and Fitness Enthusiast, Cross Fitters, all sports lover. Men, Women, Kids, Senior Citizens and even children with special needs will benefit from our laces that lock your shoelaces in place. Great for sensitive feet or those recovering from foot injury like plantar fasciitis. STRONG AND STURDY – The lock is made of strong ABS plastic which is very strong and not easily deformed. The surface of the shoelace is a mixture of 70% polyester and 30% latex, at the same time, there are 18 rubber strings inside to ensure the maximum quality.