1. Material: Silicone 2. Features: high luminous, high elasticity, strong compatibility, portable 3. Silicone material, good elasticity, anti-aging, wear-resistant 4. Luminous protection, with obvious recognition, can reflect light, safer at night 5. Small size, easy to carry 6. Ground nails with a diameter of about 9mm can be used, with strong compatibility 7. Product size: outer diameter: 15mm, inner diameter: 9mm 8. Net weight: 0.3g/pc 9. Note: Only the reflective ring will be shipped, no others!
