Vecelo Home/ Office Furniture Mid-back Height Adjustable Swivel Rolling Chair Office/ Task/ Computer Desk Chair (Purple) Comfortable task chair with heavy duty nylon base with dual wheel carpet casters The office chair with pneumatic seat-height adjustment for easy positioning Adjustable Home Desk Chair is Brand New in Retail Packaging Strong 5castor-wheel Chrome base lead 360 Degree Swivel Desk chair with thick padding for superior comfort