INV2289 Features: * Invacare Matrx Elite Back 16-18"W x 16"H * "Easy Set" hardware installed and adjusted in minutes - while user is seated in wheelchair * Very lightweight - most models under 3 lbs * Sleek, stylish and breathable back shell with cut-outs for breathability * 3" contour depth suits more active users * Optional formable, width/angle adjustable lateral supports * Weight Capacity: 300 lbs * Back: 16" H x 16" - 18" W