Positively Pleasurable Prostate Prodding. Treat your prostate to a platinum celebration with the Stainless Steel Prostate Plug from b-Vibe. Perfectly curved and weighted, this stainless steel plug slides in smoothly, hugging every curve of your sphincter up to the prostate with a sleek, smooth body that's safe for use with all lubricants. Made with body-safe stainless steel and a wide tapered base, this plug is perfect for comfortable, safe insertion and removal. Stainless steel toys are prized for their hardness, weight, and hygiene. They can be used with all types of lubricant. Try cooling them down or warming them up with water for temperature play. Clean with soap and water, in the dishwasher, or boil them for 3 to 4 minutes to fully disinfect.