Enhance your erotic sensual satisfaction and performance with the sleek and discreet Rubber Ring Black 3 Piece Set. The trio of erection enhancers are easy to use, comfortable to wear, and great for instant arousal stimulation and gratification extension. The flexible rubber adornment rings are supplied in 3 different sizes and are designed to maximize your intimate, sensual encounters. Measurements: 2.5 / 6cm (Large Ring Diameter). 2 / 5cm (Medium Ring Diameter). 1.75 / 4cm (Small Ring Diameter).