Extra thick and comfortable the D-Ring Glow X3 contains the 3 perfect size rings. Each kit contains a blue, orange, and yellow ring that all glow in the dark. The rings are intended to be worn around cock, balls or both. They are made of super strong and stretchy TPE and are phthalate free. The D-Ring X3 are soft, stretchy, easy to get on, and help you keep a firm and hard erection. - Extra Thick and Comfortable - Strong & Stretchy TPE - Multi - Colour 3 Pack - No-Roll Design - Thick Girth for Powerful Erection Size - Inner Diameter .7'' (18mm) - Outer Diameter 1.75'' (44mm) Care Instructions - This product is safe with all lubricants. Wash thoroughly with mild soap and warm water or toy cleaner. Pat dry and allow product to completely air dry. Store separately.