Specifications:Glow in the dark function, eye-catching and charming.Great gift for wedding, engagement, party, Christmas, Halloween, etc.Make you much more attractive. Item Name: RingGender: Women'sStyle: FashionMaterial: CopperOccasions: Anniversary, Engagement, Party, WeddingFeatures: Heart Electrocardiogram Pattern, Glow in The Dark, Couple RingWidth: Black: 0.6cm/0.24", Golden/Silver: 0.8cm/0.31" (Approx.)US Size 6(Dia): 16.5mm/0.65" (Approx.)US Size 7(Dia): 17.4mm/0.69" (Approx.)US Size 8(Dia): 18.2mm/0.72" (Approx.)US Size 9(Dia): 19mm/0.75" (Approx.)US Size 10(Dia): 19.9mm/0.78" (Approx.)US Size 11(Dia): 20.7mm/0.81" (Approx.)US Size 12(Dia): 21.5mm/0.85" (Approx.)US Size 13(Dia): 22.3mm/0.88" (Approx.) Notes:The Style: Black doesn't have glow in the dark function.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Included:1 x Ring