1. Brass material buckle, wear-resistant and durable, not easy to deform2. The shoelaces are thickened and woven, and multiple yarns are intertwined3. Good elasticity, not easy to be deformed by pulling, and resistant to wearing and taking off4. Material: brass buckle, high elastic silk laces5. Applicable: suitable for a variety of shoe types6. Size: the laces are about 100cm long

http://olla.gr/3-sets-slk16-metal-hook-lazy-people-free-tied-elastic-lace-light-blue/