The Size Matters Breast Enhancement System will help you achieve fuller, more sensitive breasts. Each cylinder is made of industrial-strength, crystal-clear acrylic that fits comfortably over your breasts. With this system, you can enhance your breasts to a nice full size with just a few squeezes of the hand pump! Fit the cylinders over each breast and start pumping, watching your breasts swell simultaneously. Use the gauge to help get you to your full potential as you keep track of your progress! This kit contains a premium handle pump with gauge, split connector hose, and 2 airlock breast cylinders.  Measurements: Cylinders are 4.5 inches inner diameter and 4.25 inches deep  Material: Acrylic, PVC, ABS, Metal  Color: Clear