iBungee provides a supremely comfortable plush feel for the foot. Our bungee is the best available. Multiple strands of natural rubber protected inside a durable polyester jacket woven by the finest mills in New England. The comfort and flexibility of bungee is addictive. Once you get accustomed to it you will never want to go back to static non-stretch laces. Ordinary laces are static - there s no give or stretch and you are forever tying retying or untying knots and double knots. Our answer to the discomfort and inconvenience of ordinary laces is iBungee. Bungee stretches with the natural motion of your foot. And our secure cord-locks make sure you will never be bothered with tying or untying again. Turns any shoe into a slip-on Never tie laces again Adjust instantly Made with a multi-strand latex core and a polyester jacket for strength and expansion Shoes go on-and-off quickly and easily iBungee laces flex with the motion of your feet Easy installation Lace lengths are based on average number of lace holes or lace loops on a shoe