Invasion Silicone Urethral Sound Trainer Set
Made of non-porous, silky-feeling silicone, these urethral sounds are easy to sterilize and body safe. The flexible rods bend with the body, sliding down your shaft for that unique sensation that you crave. Each sound is double-sided, with a different sized girth on each end. The graduated sizes allow you to work your way up in size.
Measurements: Each sound is 8 inches in length. The smallest has a diameter of 0.19 inches on one side and 0.23 on the other. The medium is 0.27 inches and 0.32 inches in width. The large is 0.34 inches and 0.38 inches in width.