Make training pleasurable with the prostate training kit. Prostate training made easy. Start with the Silicone Prostate Probe for a gentle massage on its own or during penetration. Graduate to the Silicone Prostate Probe with Enhancement Ring for a fuller experience. Turn up the excitement with the Beaded Prostate Probe; use it with or without the Multi-Speed Stimulator. Dimensions: 2″ X 1″ (stimulator), 4.75″ X 1″ (probe), 4″ X 1″ (beaded probe), 3.5″ X 1.5″ (probe with ring), 1.5″ (ring diameter).