Excellent seat cushion, reduces pressure on tailbone and bottom area. Perfect for your office or kitchen chair, car, truck, plane, wheelchair, computer desk, recliner, stadium seats, couch, or even kneel on it when performing household chores! Designed with a coccyx comfort space. The anatomically contoured surface distributes body weight across the seat.  Can be used as a seat riser or lift cushion to increase the height of any seat.  If you are suffering from extended hours of sitting, this product will be your best friend.  Detachable cover design, convenient for you to take it off to wash. Product Size: 45 x 35 x 7.cm / 17.7 x 13.7 x 2.7 inches