Inflated cushion with both pebbled and spiky surface, adds instability and stimulation into workouts

Use as a balance training cushion by placing it under hands, feet or lower back for challenging exercises; can be used for active ergonomic sitting by placing it on top of your chair

Adjust the inflation level with needle for more challenging exercises (pump not included)

Made with soft and pliable PVC, free of latex

13.5″ in diameter

Thicker than the 14″ balance cushion.