Pattern Type:SolidMaterial:nylonItem Type:SHOELACESCN:ZhejiangOrigin:Mainland China• Elastic Cross Buckle :The elastic cross buckle ensures a secure fit and makes it easy to put on and take off shoes.• Tieless Tie Shoelaces :The tieless tie shoelaces provide a wider opening for easy insertion and removal of shoelaces.• Lock for Kids Sneakers :The lock for kids sneakers ensures that the shoelaces stay in place, preventing them from coming undone during physical activities.• Widened Tieless Tie Shoelaces :The widened tieless tie shoelaces provide a comfortable fit for both kids and adults, making it a versatile option for families.Common problems with elastic flat pattern shoelace interlock systemWhat material is it made of?Answer: The shoelace is made of elastic material spandex high elastic yarn;2. What is the principle?Answer: Buckle the shoelace onto the interlocking buckle, and then cross buckle it to achieve free binding function;How many are there in one set?Answer: This product set includes 2 shoelaces and 2TAInterlocking buckle, with a packaging weight of approximately 15 grams;5. What is the length of the shoelace?Answer: 100cm ± 5cm; Because it is not a product with exquisite craftsmanship, there is a slight error in length, but it does not affect actual use. Please pay attention to shooting;(After repeated testing, the actual length of 6-hole shoes/7-hole shoes used is 75-90cm, so the length is sufficient. Please rest assured)