Material: Alloy Processing technology: electroplating Style: Women's Set combination: Earrings+Collar Product number: XL020 Chain style: O-chain Pendant material: alloy Pattern: Water droplet shape Style: Sweet Cool Style Popular elements: circular, polka dots Style classification: Personalized trend Target audience: Women's Popular Element Classification: Geometry Note: There is a difference of 1-2cm in the measurement method Diameter:15.27mm Perimeter:48mm U.S.A Size:4.5 Japanese Size:8 Diameter:15.7mm Perimeter:49mm U.S.A Size:5 Japanese Size:9 Diameter:16.1mm Perimeter:51mm U.S.A Size:5.5 Japanese Size:11 Diameter:16.51mm Perimeter:52mm U.S.A Size:6 Japanese Size:12 Diameter:16.92mm Perimeter:53mm U.S.A Size:6.5 Japanese Size:13 Diameter:17.35mm Perimeter:55mm U.S.A Size:7 Japanese Size:14 Diameter:17.75mm Perimeter:56mm U.S.A Size:7.5 Japanese Size:15 Diameter:18.19mm Perimeter:57mm U.S.A Size:8 Japanese Size:16 Diameter:18.53mm Perimeter:58mm U.S.A Size:8.5 Japanese Size:17 Diameter:18.89mm Perimeter:59mm U.S.A Size:9 Japanese Size:18 Diameter:19.41mm Perimeter:61mm U.S.A Size:9.5 Japanese Size:19 Diameter:19.84mm Perimeter:62mm U.S.A Size:10 Japanese Size:20