The breast enlargement and massage cups are a high quality accessory to your cupping set or for use by themselves. Easily view the cupping progress though the transparent cup and measure enlargement with the scale. It is a ISO9001 quality assured manufacturer and registered company. M size is 4.0"D x 4.0 "H. What's in the box? 1X 2-Cup Breast 1X Free Hand Pump
Light and durable plastic cups.
Removable rubber ring on each cup for tight seal, comfort, and easy cleaning
Medium Breast Dual Cup
L : (4.8"D x 5.6"H), M size: (4"D x 4"H), S: (3.6"D x 2.8"H)