Condition: 100% brand new With drill: no Style: men, women Color: gold, silver Weight: about 18g Product packaging: individual bubble packaging, anti-friction, anti-oxidation, anti-squeezing Size 7 = diameter about 17.4 mm Size 8 = diameter 18.2 mm Size 9 = diameter about 19.0 mm Size 10 = diameter about 19.9 mm Size 11 = diameter about 20.7 mm Size 12 = diameter about 21.5 mm Size 13 = diameter about 22.3 mm Size 14 = diameter about 23.1 mm Maintenance methods and precautions: Avoid chemicals 2. Avoid wearing when taking a bath 3. Avoid being hit and cut flowers 4. Avoid wearing a lot of sweating 5. Wipe the jewelry with a soft cloth 6. Avoid wearing when sleeping
