They hold the shoe secure while running or jumping, but they will split when you step on your heel because the forces are much greater.
- Material: PVC+Magnetic
- Color: White, Pink, Yellow, Red, Green, Black, Blue
- Size: 4.2cm*2.5cm*0.6cm
- Feature: No-Tie Shoelace Buckles
- Package Includes: 1 pair of laces