In my case, wearing cockrings adds 1/2 to 3/4 inches in width when I have an erection. This measurement should not be taken on an erect. Product Details 18ct Gold Vermeil on Sterling Silver Band Width: 6mmFor more information on sizing, visit our size guide.

For example, my dick is like a tapered candle instead of a cylindrical tube, so even though my cock head can be compressed to fit through the glans ring, pulling the rest of the upper shaft through the glans ring requires a careful insertion with help of occasional lube or precum -) Measure the circumference of your penis at the base of the penis next to your body with a cloth measuring tape. These four measurements matter especially if you are purchasing the 0.6' or 0.9' band glans ring which will cover a portion of your shaft as well. I recommend using the average of the four measurements. It is important to measure the circumference just below your glan's head and around 1/3 to 1/2 mid-shaft when you are both FLACCID and ERECT.I bought a 0.9 ring from Gear Essentials three weeks ago, and I have been wearing it 24/7 ever since the purchase arrived. I wrote about how to measure for a glans ring ~ 9 months ago: