Total Freedom Knot-Free: Forget untied laces and stumblings. Enjoy shoes without constraint and save time every day. Perfect elasticity: Our laces are flexible and durable, offering quick on without compromising the hold of your shoes. Maximum quality: Premium materials and patented technology ensuring durability and functionality. Optimal comfort all day long. Universal and suitable for all: unique design suitable for men, women and children. Compatible with most shoes for effortless style. Precise specifications: Pack of 16 black silicone laces, lightweight (19 g), various sizes to fit all sizes. Easy to install and maintain. 8 different sizes: 4.8 / 5.3 / 5.7 / 6 / 6.5 / 6.9 / 7.3 / 8 cm