Purchased from the official website and used on a chair at home. ● Size: Approximately W36 x D36 x H7cm ● Surface/Sides: 100% Polyester ● Back: 50% Polyester, 50% Cotton, 100% Polyurethane Coating ・ The rubber on the back shows signs of aging and stretching. ・ Also, a part is missing, so it cannot be snapped into place. ※ Please check the images. ・ Height adjustment boards are not included. The cover has been washed at home. Other than that, there appear to be no noticeable scratches or stains, but please forgive any oversight.