The Royal Penis Plug Solid with Glans RingPenis Plug & Ring - The Royal with Glans Rings is perfect for men who wish to try sounding. Many people love sounding becauseof the immediate stimulation and pleasurable sensations it gives. This Royal is perfect for men witha un-pierced penis. However our other Royal Wand is perfect for men with a Prince Albert piercing.When inserted into the penis the Prince's Wand will stay in place because of the glans ring that fits snugly around the head of the penis. It comes supplied with a spare glans ring. Measurements Small: 75mm x 8mm 2 X 25mm diameterMedium: 75mm x 8mm 2 X 28mm diameterLarge: 75mm x 8mm 2 X 32mm diameterExtra Large: 75mm x 8mm 2 X 34mm diameter