The 7-knob design of the Reaction Ball creates the unpredictable bounces but eliminates the impossible bounces. The 2-color design increases visibility substantially on all surfaces. Use the blue and yellow ball on gym floors, use the orange and yellow ball on darker surfaces. The Z-Ball is 40% bigger than other reaction balls for easier handling and catching.
The Fitterfirst Max Foam Roller is designed for avid foam roller users who need an extra-firm foam to really dig in and improve myofascial release. These high-density foam rollers help increase flexibility, core strength and muscle recovery after exercise. � Extra firm construction� Made from high-quality closed-cell foam� Manufactured in the USA