Experience epic, high-intensity play with our firm Tantus Silicone. Cisco has rings of pleasure replicated all the way up to its long shaft for waves of repeated sensation. Cisco is made with Tantusft. own unique formula of 100% Soft Ultra-Premium Silicone, and with proper care will last a lifetime. Diameter: 2.25in.. Length: 10.75in.. Made from Tantus’ own unique formula of 100% Ultra-Premium Silicone. Eco-Friendly, Hypoallergenic, Hygienic, Boilable, Bleachable and Dishwasher Safe.