INV2348 Features: * Invacare Matrx PB Back 15-17"W x 20"H * "Easy Set" hardware installed and adjusted in minutes * Infinite adjustment of recline (30 * 16" and 20" high backs include mounting plate/attachment point for headrests * Heights 12", 16" or 20"; widths from 14" - 24" * Weight Capacity: 300 lbs Specifications: * Each back fits 3 different wheelchair widths Dimensions: * Thickness: 3" * Seat dimensions: 14" W x 12" D * Product Weight: 4 lbs