How much time does it take and how much effort have you spent on tying shoelaces in mornings? for sneakers, running shoes, jogging shoes, basket shoes etc. Comfortable and elastic support. No being stumbled, no lagging behind by unexpected loosen shoelaces. Features - Color: Black, White - Material: Rubber latex thread, Metal - Size: About 100.00X0.30X0.30cm/39.30X0.12X0.12in - Premium and durable material builds up long-lasting elasticity, reducing pressure points to make your feet feel better throughout the day, can perform your best! - With it, your child can take care of his shoes at school. Parents are less worried. - Wearing shoes easily and nicely without bending over to tie. - Elastic design, making the shoes fit your figure better. - Fast to install and use, not easy to break and durable, convenient to practical. Package list: 3 x pairs of shoelaces 3 x screwdrivers 6 buckles 6 x connection accessories 18 x small screws