Compatibility: These Endoto shoelaces are designed to be compatible with Adidas shoes. Please refer to the size guide in the product images to confirm the best length for your needs. Durable Quality: Made from 100% Polyester materials. Polyester are usually stronger and more durable to wear than regular laces, and can withstand more stretching and pressure. Superiority: The shoelaces are sealed with transparent glue at both ends to prevent them from fraying and coming apart. Lightweight: Polyester laces are a lightweight material that won't add extra weight to shoes. They are also easier to clean and dry than other materials. Customer Care: We are committed to providing customers with the best experience possible. We are constantly expanding our color and size options for our customers. If you have any concerns, don't hesitate to reach out to us.