Perfect Fit has developed the first cock ring sizing system designed to fit you without too much pull but with enough restriction to be truly effective.
Size:
Ring Number 14: 1.4 inches in diameter, 4.4 inches circumference
Ring Number 17: 1.7 inches in diameter, 5.3 inches circumference
Ring Number 20: 2 inches in diameter, 6.3 inches circumference
