ERECTION RINGS Strengthen your erection with this 3-ring collection that offers 3 leveld of support - snug, tight and intense. Use one super-stretchy ring at a time or all 3 at once to enjoy a harder, girthier experience. Small Ring: Height: 1.24"(3.1 cm), Width: 1.24"(3.1 cm), Depth: 0.26"(.7 cm) Medium Ring: Height: 1.30"(3.3 cm), Width: 1.30"(3.3 cm), Depth: 0.26"(.7 cm) Large Ring: Height: 1.35"(3.4 cm), Width: 1.35"(3.4 cm), Depth: 0.34"(.9 cm) Made from phthalate and latex-free TPE rubber