Strengthen your penis with this silky-smooth TPR penis sleeve. It's flexible and stretchy, yet strong enough to stay in place. It adapts to any penis circumference, conforming perfectly to your anatomy, retaining blood in the penis, and helping you achieve longer-lasting, firmer erections. It's also ideal for progressive strength training and prolonging pleasure by reducing stimulation in sensitive areas of the glans, delaying ejaculation. Features: TPR Waterproof