Size Guide

Here's a size guide (size chart) to help you select the right size. You will also find this size guide on the product page under "Sizing".

Erect penis circumference
Under 5" | Size Slender
5-6" | Size Regular
Over 6" | Size Thicker

Flaccid penis circumference
Under 4" | Size Slender
4-5" | Size Regular
Over 5" | Size Thicker

Not sure? Choose Regular.

If you’re not sure of your size, we suggest Regular, as this fits most men. And no need to worry - we’ll send you a free replacement (you pay only for shipping) if you need something a bit bigger or smaller. And size changes are "no-hassle". There's no need to return the original. We simply send you the replacement.

For the exact dimensions of the Xialla ring, click here.

Learn about what to do if the fit isn't right, whether we make a larger size than Thicker, and free size changes at Support.