1. Material: silicone
2. Function: anti-abrasion foot, anti-drop heel, adjust shoe size, heel protection
3. Embracing fit design, all-around wrapping heel
4. Stable adhesion, long-lasting and no falling off
5. Soft silicone material, good fit, wearing without binding
6. Effectively relieve foot pressure, comfortable and non-slip
7. Size: 9.4 x 3cm
8. Thickness:
- Thin: about 4mm
- Thick: about 5mm
- Ultra thin: about 2mm