Rock Rings The Cocktagon in the shape of an octagon, with eight fantastic sides and eight awesome angles, the Cocktagon will keep your erection firm and ready for action. Fit it to the base of your erect penis to restrict blood flow and give you a harder, longer session. Ideal for those about to rock.

Size
Pack of 2 include  a  Large:  2.5 cm / 1'' + Stretch and X-Large:  3 cm / 1 ⅕'' + Stretch
Pack of 3 include  a  Large:  2.5 cm / 1'' + Stretch and X-Large:  3 cm / 1 ⅕'' + Stretch
XX-Large:  3.5 cm / 1⅖'' + Stretch

Material
Silicone