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.
Ring Number 14: 1.4 inches in diameter, 4.4 inches circumference
Ring Number 15: 1.5 inches diameter, 4.7 circumference
Ring Number 16: 1.6 inches in diameter, 5 inches circumference
Be a V.I.P.