1. Material: silicone 2. For Airtag 3. Silicone material, feel skin-friendly 4. Easy to carry and does not take up space 5. Long-lasting as new, anti-fouling and non-sticky 6. Real machine mold opening, fit protection 7. Fluorescent design, light with hand strap, not easy to lose 8. Size: Silicon case diameter 44.3mm, hand strap 16cm 9. Weight: about 4.46 grams