Fit is the perfect size you can wear during play or out. The best c-ring is one that fits the way you need- tighter ones to kepp you hard for play, big rings that push your junk out. We made it comfortable, there is a dip in the ring that goes behind your balls for less pressure on your taint. Less grip to wear longer. MATERIAL: plus silicone(TM)TPR/silicone blend DIMENSIONS: Width:2.25" Height:2.25" Depth:.75" Outer circumference:6.75" Inner Circumference:3.25"