Strengthen your erection with this 3-ring collection that offers 3 levels of support - snug, tight & intense. Use one super-stretchy ring at a time or all 3 at once to enjoy a harder, girthier experience. Specs: Small ring: Height:1.24, Width: 1.24", Depth: 0.26"" Medium Ring: Height: 1.30", Width: 1.30"", Depth: 0.26"" Large Ring: Height: 1.35", Width: 1.35"", Depth: 0.34". Made from phthalate & latex free TPE rubber. Five Year Warranty.