The Longevity cup set is a sound choice for cupping therapy. This set of 14 lightweight, strong glass cups comes in a wide choice of sizes ranging in diameter from 1 inch to 2 3/8 inch. Smooth edges provide maximum comfort. Vaseline or simply warm water may be applied to edges to enhance suction. Can be sterilized by autoclave or with alcohol. Set of 14 includes the following diameter cups: 2 3/8" (8), 2" (2), 1 5/8" (2), 1 ?" (1), and 1" (1). Each set comes with a pistol-grip hand pump and carrying case.