Swivel, height adjustable, desk chair.
Ikea Orfjall children's desk chair very similar if not same as this one https://www.ikea.com/au/en/p/oerfjaell-childrens-desk-chair-white-vissle-light-grey-****1888/ Has been used for years now and has pencil and pen stains etc. They don't come off and it has been well vacuumed. Adjustable height and swivel and has wheels.