The Doc Johnson Platinum Silicone C Ring Set is a great combo pack: one small and one large cock ring packaged together for your convenience. Made of 100% platinum silicone; completely nonporous, body safe, and phthalate free. Easy to use; safe stretchy construction makes for a comfortable and pleasurable experience. Enhance, extend and unleash! Color Black. Proudly made in America.  Inner diameter of rings are 1.40 inches and 2.30 inches.