1. Luminous resin material, self-luminous at night, unique and novel. 2. Adopting international standard 925 silver, it is skin-friendly, comfortable and healthy to wear. 3. Inlaid with zircon, it adopts 3A zircon cutting standard, shining like a diamond. 4. Material: 925 silver + zircon + luminous resin + platinum plating 5. Process: electroplating platinum 6. Size: height and width: 2.1 x 1.2cm; aperture: 0.45cm 7. Weight: about 1.3 grams 8. Note: This product is manually measured, and there may be errors of 0.1-0.2 mm and 0.1-0.2 grams in length and weight; there may be a little color difference due to display and light problems. Please refer to the actual product!