The Cock and Ball Holster has dedicated separate rings for both your shaft and your boys. The stretchy material accommodates every man and the dual ring design is made to help give you a harder, longer-lasting erection. The raised pleasure nubs provide stimulation for both you and your partner.Measurements: Cock Ring has 0.73 inch internal diameter (unstretched), Ball Ring has 1.44 inch internal diameter (unstretched)Material: TPEWeight: 20g