Made of strong, durable, nickel-free, and stainless steel, this unique anal plug is compatible with all types of lubricants. The plug consists of one large ring with an adjustable diameter ranging from 4 to a whopping 10 centimeters, making it ideal for fisting. The tapered tip is easy to insert. The plug comes with 6 silicone O-rings that wrap around it. Clean the plug easily after use with lukewarm water and a toy cleaner.