Hook and loop fasteners keep the chair pad in place. The chair cushion has two identical sides so it can be turned over for even wear. Machine washable for easy care. Good to know: Fits STEFAN, KAUSTBY, INGOLF, and JOKKMOKK chairs. Product description: Chair pad: 100 % cotton. Smolder resistant lining: Polyester wadding. Filling material: Hollow polyester fibers. People & Planet: To lower our environmental impact this product is offered without any packaging. Renewable material (cotton).