Adonis Silicone Rings - Hercules provides awesome and sturdy erection enhancement. Designed to increase stamina while providing the ultimate in comfort, these rings feature ribbed sections and are entirely crafted from pure silicone. They'll help you achieve a stimulating and exciting, sensual experience. Made to fit just about any size, these supple and strong silicone rings will allow you to maintain an erection for a longer time, to achieve longer-lasting and more satisfying sexual pleasure for you, or you and your partner. By helping to regulate blood flow, these rings will keep you more than ready to take your sensuality to a more thrilling level.