Product Thesefunny colorful shoelacesare made of high qualityelastic siliconeand the tightness can be adjusted according to your footwear. Justlace, link and lock ONCEto turn your sneakersfrom lace-up to slip-onshoes.Highly stretchable siliconeshoelacesprovideultimate supportand comforteven in repeated intense workout conditions. SPECIFICATIONS: It will work in many shoes: How to use: