Hickies are versatile stretchy, waterproof laces that replace traditional laces. Hickies just need to be fastened once and you will never 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 movementadaptive, flexible made of thermoplastic elastomer that provides elasticity and compression for even the most intense movementsSecure "Hook" closure snaps into placeoriginal design with many variantsThe package contains 14pcs. Only 1 sizeCan be used for shoes with holes for laces or loopsMaintenance:wash in cold waterIt is not possible to tumble dry!They do not contain latex!