As a fun cardio activity and a core workout, the Champion Sports 42 cm FitPro Hop Along Ball is a great way to improve your balance and core strength while also having fun. The super elasticity is designed to maximize your bounce while also being strong enough to withstand the wear-and-tear of daily use, making it great for use at-home, in Phys. Ed. or fitness classes. This exercise ball also features plastic handles fitted into the mold of the ball, providing the user with a comfortable bounce while also promoting safety and control. This ball is recommended for people who are under 5' tall.