Dimensions:Ring 2.3 in. (5.8 cm) (Dia)1.6 in. (4 cm) (D)1.2 in. (3 cm) (?Inner Dia)Tightening Ring 2 in. (5.2 cm) (Dia)0.6 in. (1.5 cm) (D)0.9 in. (2.2 cm) (?Inner Dia)Match Up C-Rings to Max Up Your Performance!Wear Together on Shaft - Wear single double or triple c-rings on the penis to increase erection strength and performance.Use Separately on Balls & Shaft - Wear single or double c-rings on the shaft for added partner pleasure. Wear a single ring around testicles as a ball stretcher ball gripper or to delay and strengthen climaxes.Firm FitThe advanced ring is made from an extra firm formula and will add an extra tight squeeze.Twin Tension Dual-Ring DesignExtend Activities & Intensify ClimaxesPowerful PleasureNon-Pinching ComfortErectile Dysfunction AidIncreases erection strength and performance