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 DiameterIncludes 2 Soft And Stretchy Cock RingsIncrease Stamina & Enjoy Harder ErectionsStrong, Tear Resistant ElastomerMade from TPE. Contains no Fragrances, Phthalates, Paraffins or Latex