Fits: 26W x 9D x 4H, Soft laptop cushion attaches to the wheelchair. The cushion does three jobs: it's a soft, snug upper body positioner, a comfortable support for elbows and a semi-firm surface for eating and activities. The Hugger is notched to accomodate almost any wheelchair with full length armrests that are 14" - 19" apart. Blue vinyl cover with zipper wipes clean. Does not fit Invacare IVC wheelchairs.