‎ B000ALJTDS

16 1/8″ diameter with a 22° angle of deflection, this stability trainer provides a 360º plane for balance training and core stability workouts
Durable and lightweight, made of black molded plastic with a specially-designed tactile surface on the top and an anti-skid surface on the bottom
Offers an unstable and sensory-stimulating surface that provides proprioceptive feedback during balance exercises, which helps with rehabilitation, post-rehab conditioning, and overall fitness