If you don’t know your size it’s easy to measure it. Cut a very thin strip of paper. Wrap the paper around your finger. Make sure the paper is below the joint of your finger and closest to your knuckle. Make sure the paper is tight around your finger for an accurate measurement. Mark the spot where the paper meets and measure the distance with your ruler, that will be the circumference. Use the sizing tab in the product page of the ring you desire to check its circumference to determine the correct size for you. The following is a general size guide, exact measurements of each ring are available on the sizing tab of each product