E3 Silicone Laces are “no-tie shoelaces” made from food grade silicone, and because of its silicone nature, it is stretchable, style-able, waterproof, easy to clean, and keeps your feet comfortable all day. You can put E3 Silicone Laces in any lace-up shoe or trainer in just 5 minutes. Just take out your existing shoelaces, replace them with our silicone laces, and lock the laces into place with the fastening system. Elastic stretch keeps your shoes on and comfortable without the need to tie or untie. Wear them in your sneakers, work shoes and even dress shoes, just like regular laces, but without extra hassle. No more Loose Laces ever. Safe for kids, the E3 Silicone Lace is highly recommended for all nursery schools, primary and high school use.