The backrest measures 56 CM/22 inches and the sitting height can be adjusted between 48-56 CM/19-22 inches. Suitable for small and medium-sized people. Flip-Up Armrests can save space when push the chair under the table. Our chair for desk is covered with linen fabric, which is breathable and does not pill. The cushion is filled with high elasticity sponge, which is full and not easily deformed, and will not collapse after prolonged sitting.