Our Chair Pad Cushions are made with 2-inches of hi-density foam, covered with a soft-faced cotton canvas, and decorative piping around the edges. Tie downs keep the cushions properly positioned when in use. Cushion covers are fully removable, with a hidden zippered closure, allowing for easy removal when in need of cleaning., Soft Face Cotton Canvas with Cushion Tie Downs, 2-in High Density Foam Cushion with Removable Zippered Cover for Easy Washing, Tie-Downs Keep Cushion Snugly In Place, Compatible With our TS50 Teak Swing (Sold Separately), Overall dimensions: 54w x 18d x 2h