The Comfort'a'Back is an inflatable cushion which, thanks to its specially shaped form, allows to take a correct posture by compensating and releasing the spinal column. It is a versatile product and a valuable tool to support the lumbar and sacrum region, while performing exercises on the ground. - Attached to a chair with the adjustable elastic lace - Inflation adjusts according to comfort level - 33 x 24 x 5 cm