Multi-size design-- This retro silver knuckle ring set has multiple different sizes and patterns to fit your each finger, you can stack them or wear them individually. Inside diameter-- 15-19mm/0.59-0.75inch(approx), fits finger size 5 to 9Great gift-- Vintage stacking rings set, stylish and chic, it's a good choice for Halloween, Valentine's Day, Birthdays, Anniversary, Christmas, Thanksgiving or GraduationOccasion-- Easy to match your different hair style and outfits, suitable for daily jewelry or any other occasions like nightclub, beach party, dress dinner, anniversary, holiday, evening party or other social events, let you look elegant, attractive and fashionablePackage include-- 30 * retro silver knuckle finger ringMaterial-- High quality alloy