1. Fabric The outdoor rocking chair cushion is made of waterproof polyester fabric to withstand harsh weather conditions. Made of soft PP cotton filling. 2. Comfortable: Made with highquality extra thick PP cotton filling and waterproof fabric, our Adirondack chair cushion exceptional comfort. The extra thick 10 cm terrace swing features a scientific concaveconvex design for added comfort and support. 3. Nonslip design: This terrace chair cushion with long straps and elastic band provides better fixation on the chair. The sewn circular grip construction prevents the cushion filling from shifting and folding. Enjoy the comfort and of a firm seating experience with these improved outdoor furniture cushions. 4. Wide range of applications Make any space comfortable with our thickened outdoor seat cushions. Ideal for screened rooms, porches, indoor and outdoor living areas, and backyard sunrooms. Create cozy retreats everywhere.