Designed for sitting whilst keeping your body active. Flexible yet stable chair base means that micro-movements strengthen your body and keep it moving.Can be used both as a sit-stand or stool.Upholstered with durable 98% recycled polyester CURA fabric, which is Oeko-tex certified and has the EU Ecolabel. Choice of 5 standard colours.Wide height adjustment from sitting to standing position.Rotatable seat with adjustable height and genuine leather strap.Seat diameter: 300mm.Seat height: 550-810mm.