These castors are designed for soft floors. PARAGRAF castors for hard floors are sold separately. The castors lock automatically, when the chair is not in use. May be completed with KOLON floor protector. Castors included.
Swivel chair: Seat Wipe clean with a cloth dampened in water or a non-abrasive detergent.
Chair frame, swivel: Frame Wipe clean with a cloth dampened in a mild cleaner. Wipe dry with a clean cloth.
You sit comfortably since the chair is adjustable in height. http://www.ikea.com/gb/en/images/products/snille-swivel-chair__34946_PE125269_S4.JPGSNILLE Swivel chair, whitehttp://www.ikea.com/gb/en/catalog/products/S69816641/698.166.41IKEA£13