Product Details Tee Popper 85003065029 *Balls Not IncludedThe Bandit Sports Original Tee Popper is the perfect training aid to practice solo while hitting a ball that's moving to more realistically replicate gamelike timing. Features The Tee Popper pops any Popper Ball or similar size ball to a consistent height of 40 inches Great for hand eye coordination and improved hitting Completely Portable Perfect for solo baseball hitting drills Specs Style: TEEPOPPER California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov