Our 4-piece kitchen chair cushion sets have a non-slip backing, so the cushion won't slip off when you sit on it. In addition, each dining chair cushion has two lanyards that secure it securely to any chair. Basic kitchen chair cushion. The seat cushion is filled with broken memory foam and tufted to prevent the memory foam from clumping. Our dining chair cushions are available in a variety of colors to provide comfort and better decorate your home, suitable for a variety of scenarios such as living room, dining room or bedroom. This thick chair cushion is packed in a vacuum bag, and the thickness of the chair cushion is relatively thin when it is first opened. It will return to its original shape within 24-48 hours, or you can restore the thickness by kneading and patting. If the lace-up seat cushion is stained or dirty, it is best to wipe it with a damp cloth and air dry. Do not bleach to ensure long-term use.