Balance Disc Cushion

* extremely versatile balance training tool can be used in a wide variety of settings to address balance and joint stabilization * compact and portable * use standard sport ball needle to change inflation (comes already inflated and ready to use) * exercise difficulty changes by inflating or deflating disc-cushion * two sides of the disc are different: if you are on a slippery training area, the protrusions should be down to help prevent you from slipping * 14 inch diameter * note: does not contain latex * warranty: manufacturer's discretion