Round cushion fabric: the round seat cushion is made of high quality cotton and linen fabric, breathable and strong touch good wear-resistant and durable. Round seat cushion internal filling: the seat cushion is made of high-density 50D sponge, high elasticity and high density, 3cm thickness makes the seat cushion soft and comfortable. Double anti-slip design: elastic buckle and back anti-slip particles, double anti-slip design, the seat cushion is not easy to move. Size: 28*28cm, 30*30cm, 33*33cm, 35*35cm, 40*40cm, 45*45cm, Thickness is 3cm. The back of the round chair cushion has a zipper, removable for easy care. Packing list: Round chair pads * our chair cushions are delicate and beautiful, soft and comfortable, perfect for your dining room living room and round stools.