The RETRO 12 TAXI AJ12 Premium Replacement Rope Round Shoe Laces by SOLEKNOT/LACEDUP are made of durable polyester material with elastic features, making them a practical and stylish choice for shoe care. The round shape adds a modern touch to the classic shoe laces, while providing a secure fit for your footwear. Upgrade your shoe game with these premium replacement laces that are designed to enhance both the look and functionality of your sneakers.