Features: Sunbrella: 07, 08, 09 Polyester: 01，02，03，04，05，06，10，11，12，13，14，15，16，17，18 This seat cushion set comes with one 23" W x 25" D seat cushion, and one 23" W x 18" H back cushion 3 of the 9 cushion options are covered in a heavy-duty outdoor…