The size of chair cover is 17.72″ x 0.20″ x 20.47″, which can fit with your seats well. The chair cover is made of cloth material, which is soft and comfortable to use, and they are elastic, you can stretch to fit your chairs, and they are washable and removable, you can remove them to wash, you can wash them by your hands or machine with cold water, and you should take care of that you should use the mild laundry detergent. The chair covers are beautiful, suitable for so many places and occasions, such as home, dinning room, kitchen, cafe shop, hotel, restaurant and more. Christmas chair cover support customized logo, logo process is heat transfer. The prices for 700pcs or over are based on ocean shipments.