Size Matters Performance Cock Rings
 
These Size Matters Performance Cock Rings help maintain harder and longer erections for men. With 3 sizes to choose from, they can fit any size cock. Try them behind the balls, on the shaft base, or as a head ring. These rings stretch to fit and keep you hard.

Measurements: Inside diameters range from 2 cm to 2.5 cm

Material: TPR