The seat cushion measures 25.5" Wide x 23.5" Deep x 7" Thick with an optional single welt in the front. The sides taper out in the middle and the back is curved at the 2 ends and has a zipper.
The back cushions measure 26" Wide x 19" High x 6" Thick with the option of 2 sets of buttons, which we recommend. It has a curve at each end and a zipper on the bottom.