Hickies children's shoelaces are versatile elastic, waterproof laces that replace traditional laces. Hickies only need to be fastened once and there will never be a need to tie and untie the laces again. Get rid of knots and loops. Advantages of Hickies laces:They are best used for running or casual wear, they do not restrict your movement.Flexible made of thermoplastic elastomer that provides elasticity and compression for even the most intense movements.the secure "Hook" closure snaps into place.Original design with the possibility of many variants.The package contains 10 pcs. Only 1 size.Can be used for shoes with lace holes or loops.Maintenance:wash in cold waterIt is not possible to tumble dry!They do not contain latex!