Like the stretch of Flex TPR but miss the weight? Now you can have both with Skater Boyz rings. These are thick wide Donuts in the shape of a skateboard wheel. You can wear them as a Cockring also makes and amazing Ball Stretcher you can even stack them up. The weight is great to have back. Material: TPR Dimensions: Outer Diameter is 2-1/8 inches or 56mm Inner Diameter is .75 inch or 20mm Width 1-1/8 inches or 30mm