Premium 100% Polyester: 100% polyester laces with a high quality weave will dress up your favorite shoes and give them a whole new look. .Good Quality: Soft and Strong lacesDue to the first-class workmanship, the laces offer a long lasting hold. .Different Lengths: Thickness of 5 mm in diameter, choose between 4 lengths of laces (114, 137, 160, 183 cm). .Perfect Replacement: Perfect for boots, ankle boots, booties, safety shoes, work shoes, walking shoes, or any shoe that needs extra strong laces. .5 Year Money Back Guarantee: We value our customers. If you're not happy with the laces, we'll replace it or arrange a refund, no questions asked. .