DIESEL power industrial silicone Cock Ring...built tough and ridged inside and out...super soft SILFLEX soft silicone...warm to touch silicone feels like its part of you, lube it up and wear for the long-haul...Sized for longer wear, pushes your junk up and out...the squishy silicone pads your nutsack and plumps your meat...the angled ridges channel sweat and lube in and around the ring and keep it in place...perfect for hung guys with big balls or regular dudes with rock hard dicks and high, tight nutsacks...Silicone and softer rings like DIESEL are great for longer wear...under a jock, in your gear, or a marathon JO session... Size Inside Diameter: 1.5 / 4cm Height: 3/4 / 2cm Outside Diameter: 2.25 / 5.5cm