18K Solid White Gold Heart Cut Out Hinged Hoops Earrings 0.39 inch 10 mm Diameter 0.23 inch 5mm Thickness

Sizes are in Inches or Milimeters.
Ruler in the picture is in Inches
1 Inch = 25.4 mm

Each item has it's sizes in the description of the product

Delivery service at an extra cost:

• Priority Mail (takes around 3 bussines days)
• UPS/Fedex 2nd day
• UPS/Fedex Next day

• For an order to be ship on the same day it need to be placed before 2pm EST.