Wearing a c-ring can create larger, harder erections, and intensify the sensation of a male’s orgasm. The Tantus Super Soft C-Ring is a redesigned version of our classic ring. We used the same Ultra-Premium Silicone, but with a stretchier, softer texture to make it easier to put on - even with an erection. Wear it around both the penis and testicles for the most intense effect. Unstretched Diameter: 1.5" / 3.8 cm. Stretched Diameter: 4.75" / 12 cm. Weight: 1 oz / 28.3 g.