Get rid of loose laces with no tie shoelaces with lock system. >Package Include- 1 pair: 2 x 47 high elastic laces, 2 x spring buckles, 2x tail clips >Geat as a Gift: Great gift from parents, to cultivate their children's independence >One Size Fits All: Don't worry about what size laces will fit in your shoes! These shoe laces will fit in adults' or kids' shoes. >The shoeslace Designed to Fit: Running Shoes/ Tennis Shoes/ Basketball Shoes/ Basketball Shoes/ Crossfit Shoes/ Football Cleats/ Baseball Cleats/ Boots ?Installation Steps? ?Put the laces through your shoes ?Press the lock and tread both side of laces trough it ?Cut the laces at desired length ?Insert laces into the clip and press it to close. For more detail Step Instruction, please according to the 7th picture on your left.