Play stronger and longer with Stay Hard Donut Rings. These thick, durable C-rings are super-stretchy for comfort. Wear one ring around the base of the shaft or both rings at once—around shaft and balls—for extra stimulation. Made of premium TPE, Stay Hard rings are phthalate-free and easy to clean. 0.7 Inch Inner Diameter x 1.4 Inch Outer Diameter Includes 2 Soft And Stretchy Cock Rings Increase Stamina & Enjoy Harder Erections Strong, Tear Resistant Elastomer Made from TPE. Contains no Fragrances, Phthalates, Paraffins or Latex