Frame Bench assembled Engineered wood frame assembly reinforced with corner blocking and kiln dried solid wood spring rails for warping prevention. Cushions High-density polyurethane foam core containing no flame retardants or harmful chemicals encapsulated with multi layer fiber sheeting for lofted seating comfort. Seating is a one fabric sided, non-reversible construction. Slight softening and flattening of the cushion will occur as a result of normal use and aging but are inherent characteristics in the make up of the product.