Indulge in the satisfaction of a life-like cock that will bring you to your ultimate climax! The Silicone Studs Heartthrob from Pipedream is waterproof, phthalate-free and can be used in the shower or spa for added excitement. Natural. Waterproof. Length 9.25; Width 1.75; Girth 5.5. Requires 2 AA batteries (not included).