Parts List: 4?ÁChair Seat Cover Product Name: Chair Seat Cover Material: Polyester + Spandex Suitable Seat Cushion Length: 16inch-21inch; seat width: 16inch-21inch; seat thickness: 3inch-4inch Double Sided Waterproof: dining chair seat cover with waterproof coating and TPU membrane backing, double waterproof function Color (Optional): Beige, Dark Blue, Black, Wine Red, Brown Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.