This penis enlargement sheath with internal nubs Clearly Ample comes from Size Matters. Men can enjoy a bigger, thicker, longer lasting erection instantly, with no pills, creams, or devices! Simply slip this soft and flexible penis enlargement sheath with stimulating nubs over your own cock, hard or flaccid, and instantly enjoy your new pleasure rod. Comes with about 16.5 cm in length, 4.5 cm in diameter at widest point, and an inside diameter of 3.8 cm, flexible & stretchable.