Our Sunday Porch seat cushion is extra thick and allows you to curl-up in comfort. Cushions come self piped and are available in fade resistant, stain resistant Sunbrella or 100% acrylic fabric for lasting wear. Sunday Porch Swing Replacement Seat Cushion features: Choose from a collection of fade resistant, stain resistant Sunbrella or 100% acrylic fabric. Additional 16" pillows for back are sold separately in our Outdoor Pillow collection .