View on LOZ Suggested Retail: $59.99. . Classic Accessories 23 x 21 x 3 Inch Rectangular Patio Cushion Foam, White. Designed to fit with Montlake patio cushion slip covers offered in multiple colors (slip covers Sold Separately). Cushion foam measures 23'' x 21'' x 3'' thick High quality foam uses a dense core with a soft outer layer to provide just the right give for a firm but comfortable surface. Please note that foam will arrive vacuum packed and for Best results and ease of stuffing, the foam needs to be inserted into the slip cover immediately after opening. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.