Alumina Revolve Probe is elegant and seductive. The anodized aluminum glides over the nerves creating waves of enjoyment. Each end gives a different sensation and each end is fully functional and safe for the body. Revolve is a perfect toy for g-spotting. Revolve measures diameter: 1 3/8 inches by length: 8 inches. Phthalate free, non-toxic materials aluminum. Tantus Silicone Sparks, Nevada. Alumina made in the USA.