Features Dimensions: 20" x 20", 18" x 18", 12"x 20" Handmade in USA | Invisible zipper | Inserts are not included Use the same size insert for our lumbar and long lumbar pillow covers Use a 2 inch larger insert for our square pillow covers We make the covers ¼ - ½ inch smaller for a perfect fit. Since our covers are handmade, small variations in size may occur.