Specially designed to alleviate the pain and pressure of sitting for prolonged periods this cushion is constructed with a high density foam generously lined with a layer of soft supporting liquid gel conforming to the contours of your body the cushion will distribute your weight evenly thus eliminating painful pressure points the cushion is encased with a sumptuously soft fleece layer for added warmthsupporting a weight of up to 350lbs 25 stonemeasures 18 x 13 x 3ideal in the hom