Material: Metal Size: 100cm / 39.40" Colors: Black, White, Blue, Gray, Brown 1. Lace-free design allows for instant on and off, slipping on effortlessly, greatly enhancing the convenience of everyday wear and perfect for a fast-paced lifestyle. 2. Highly elastic material allows for quick rebound, retains shape over time, and maintains a comfortable fit. 3. Equipped with a metal buckle for a secure, enhancing stability and balancing aesthetics with practicality. 4. Suitable for all types of casual shoes, athletic shoes, and running shoes. Easy, tool-free installation makes it an ideal upgrade for loafers and children's shoes. 5. Elastic design adapts to the foot shape, preventing constriction or slippage, providing a personalized, comfortable experience, especially suitable for the elderly, children, and those with mobility impairments. Notes: 1. As we all know, different computers display colors differently. Actual product colors may vary slightly from the images below. 2. Due to manual measurements, please allow for slight variations in dimensions. Thank you for your understanding. Package includes: one pair of shoelaces + one pair of metal buckles