Seat cushions, canbe round or square, will make your stool and chair more comfortable. Widely used in courtyard or outdoor. The cover is made of 100% polyester, we can also use staple fiber of polyester to make the sence of touch more comfortable - like cotton and hemp. The stuffing is also 100% polyester, can be fluffy and soft, but also strongly support your weight. Will make you comfortbale when you sit or recline. The size and the design depends on your requirement.