Our 19" x 16" x 3.5" Knife edge countour seat cushion with popular pattern options, will instantly become your new favorite seat in the house. This countour seat cushion is made of Spun Polyester fabric designed for life outdoors. It has a dense layered-fiber fill for comfort, matching ties and hanger loop for a tailored look. It will be a great seat to rest comfortably at the end of a hard day.