1. Material: plastic + steel wire 2. Rigorous selection of raw materials, delicate workmanship, firm and durable 3. Knob to adjust the tightness of the shoelace, a twist on the tightness 4. Swivel buckle is easy to use, tighten the buckle to tighten the shoelace, save time and effort 5. Suitable for most of the lace-up shoes on the market, easy to install, for daily wear 6. Weight: about 26 g 7. Packing list: buckle x 2, base x 2, wire rope x 2
