SONGMICS Bureaustoel, ergonomische draaistoel, zwart OBG63BK FIRBNUS this standing shelf is versatile Maat:250 mm this standing shelf is versatile Give them a well protected shelter with this shoe rack Works with comfort: the S shaped backrest and the well padded seat of this ergonomic office chair ensure that your upper body is optimally supported even after sitting for a long time Flexible Adjustment: Simply flip up the padded armrests to slide this office chair under your desk