FootMatters Curly No Tye Shoe Laces are made from stretchy elastic material and designed in a spiral so they will stay in place with no need to tie. Curly No Tye laces are perfect for elderly, disabled or people impaired from surgery who may have trouble putting shoes on and tying them. The fun colors and ease of use are also great for children. If you want to make a style or fashion statement, there are plenty of different colors to choose from. Elastic material will stretch with your foot movement to provide comfort while walking without pinching your foot, while still providing enough tension to keep your shoes from falling off. One Size Fits All standard shoes, not for boots. We are so sure that you will enjoy our curly laces.