Parts List #2 x 1 pc Back cushion #1 x 1 pc Seat Frame #3 x 2 pcs Left&Right Back Ear #4 x 1 pc Middle Back Cushion Align the cushions (#2,4) to the brackets along the seat frame (#1). Slide until fully secured. Align the ears (#3) to the holes along the sides of the cushions. Slide until fully secured.