You are ordering a set of cushions for your own rocker. The padding I used is high-density polyurethane foam, 2" thick in seat and 1" thick in the back cushion. This is more comfy than the cushions you would find anywhere else, which are generally stuffed with polyester batting and crush down easily. A few pics of your chair with exact measurements would be most helpful in crafting your order. Often with older chairs, the seat cushion is wider than the back cushion. I would put some ties on the cushions to hold them in place.