Adjustable Size: This adult urethral plug of ours is adjustable in size. Adjust the size of the urethra by controlling the knurled screw, please pay attention to the strength and take your time during use. (Please refer to the picture for exact size). Rounded Hollow/Solid Design: The head of the metal penis plug has a rounded design, smooth and durable, easy to use, and there are two styles of hollow and solid for your choice. Ergonomic design principle. Stainless steel material: The penis spreader is made of high quality stainless steel, fine workmanship, smooth surface, no burrs, no rust, no skin irritation, easy to clean. (Short - Solid, Long - Hollow). Easy to carry: The small and exquisite urethral dilator is easy to carry, can be worn casually and not easy to be found. If you find any discomfort during use, please stop using it immediately. (Please ask tap water to clean it before and after use). Hollow design penis plug, easy to operate, easy to use, easy to grip, not easy to slip off when using, unique design. › See more product details