•ENHANCE - Increase Stamina & Enjoy Harder Erections•STRENGTH - Strong. Tear-Resistant Elastomer•THICKER - 20% Thicker Than Regular Donut Rings. for Even Fuller Effect•PEACE OF MIND - Made from TPE. Contains No Fragrances. Phthalates. Paraffins. or Latex•SIZE - 0.5 Inch Thick x 0.7 Inch Inner Diameter x 1.67 Inch Outer Diameter (Each Ring)