Simple and True Vibrating Ring intense vibrations for 30 minutes. Simple and True have refreshed the look of their ever popular silicone penis rings. The Vibrating Ring is a thinner ring with a primary use of stimulating the clitoris. With two unique designs and 6 fun styles to choose from, one is right for you. Can be worn with or without a condom, are water resistant and replaceable. Dimensions of Ring Full Ring: 2 inches long by 1.25 inches wide by .5 inch deep. Ring hole is 1 inch by 1 inch before stretching. Phthalate free, non-toxic material: Silicone. Other styles in the Simple and True Line: nubby, lips and rose.