Amazingly comfortable pressure relief Therapeutic support 1.25 inches thick Great for travel Perfect for aircraft without much headroom Includes deluxe cover The WonderGel Original seat cushion offers therapeutic support and amazingly comfortable pressure relief by implementing exclusive column-buckling gel technology. At 1.25" tall, its low profile makes it great for aircraft without a lot of headroom. The Original seat cushion also comes with our deluxe, black, washable, zippered cover with a non-skid base and carrying handle. This carrying handle makes it very easy to take the Original seat cushion anywhere you go and have comfort everywhere you sit. The dimensions of the cushion are approximately 15.25x17.25" to fit in any seat. Check out the WonderGel seat cushion today and have comfort wherever you are!