The seat cushions measure 24" wide x 22.5" deep x 7" thick with an optional single welt on the front. The end cushions have a curve at both ends and have a zipper. The center cushion is straight across in the back and has a zipper.
The back cushions measure 24" wide x 19" high x 6" thick. They have a curved top, a zipper on the bottom and an option for 4 sets of buttons on each cushion.
Please note since the seat cushions are now thicker, the back cushions will be a few inches higher than the back of the furniture.