1. Using high quality NRT elastic latex, to ensure strong tension and tightness of the elastic band 2. Applicable range: sports, hiking, travel, there are many colors, you can choose the right personalized color according to your shoes. 3. You can simply slide the lock button to tighten them and adjust the tension as you wish 4. Size: 3MM x 110CM 5. 1 pair includes: 2 x 1.1m elastic shoelaces + 2 spring buckles + 2 tail clips
