Have you tried (and loved) the Super Soft C-Ring from Tantus and you want to add some extra sensation for yourself and your partners? The Vibrating Super Soft C-Ring from Tantus features the original best-selling Super Soft ring with a waterproof removable bullet vibrator. The Super Soft Vibe Ring is 10 mm wide and stretchier than standard Tantus C-rings, making a safe, beginner-friendly addition to couple's play that is both comfortable and exciting. 100% Silicone. Unstretched Diameter: 1.5" Stretched Diameter: 4.75"