1. Soft shock absorption, fits the arch of the foot 2. Support the arch of the foot and massage comfortably 3. Good toughness, no deformation when stretched 4. Elastic strap design, comfortable wrapping 5. Flexibility and resilience, comfortable and tight 6. Porous and breathable, not stuffy feet 7. Material: Nylon Spandex SEBS 8. Suitable shoe types: sports shoes, boots, casual shoes, warm shoes, work shoes 9. Size: about 7.7 x 11.5 x 1.2cm 10. Weight: about 50g
