Fits Three Seat Swing Back. The Casual-Back Cushions add a touch of color to your Berlin Gardens Collection Casual Three Seat Swings. The cushion is a comfy 2.5 inches thick. The outer cover of the Casual-Back cushions is made from your choice of five Sunbrella fabric colors. Sunbrella is the leader in outdoor fabrics! The interior of these outdoor chair cushions is pleasantly stuffed with polyfill designed to dry quickly for those spring showers! The Casual-Back Cushions are machine washable and should be aired dry if needed. Fabric Tie-Ons hold your cushions just where they need to be. Please note the components are sold separately so you have the option to buy the seat cushions separate from the back cushions etc.