Sunbrella Solid fabric 2 pack 18 in. Square seat pad with 21 options - 18"W x 18"D x 2.5"H - On Sale - Bed Bath & Beyond - 30979738
1101Design Sunbrella Canvas Forest Green Tufted Chair Cushion Square Back 16 x 16 x 3 HDS597621SC - The Home Depot
Sunbrella 18 in Square Outdoor Tapered Chair Cushion - 0 - On Sale - Bed Bath & Beyond - 11526282
Jordan Manufacturing Sunbrella 46.5" x 24" Canvas Gingko Green Solid Square Outdoor Deep Seating Patio Seat Cushion and Back Cushion 2-Piece Set - Walmart.com