The height adjustment is easy to use, and it has a large range of heights, making it easy to use in a variety of situations: while sitting at a desk or table, working at a drafting table, preparing food at a kitchen counter, or eating breakfast at kitchen bar. It swivels 360 degrees and rolls over the floor very smoothly, Rolls easily all around the kitchen, and is quite stable.If you have any questions, please feel free to contact us, we will contact you as soon as possible.Name: StoolSize: diameter34cm*H(44-59)cmMaterial: PU Leather + metalIs there a backrest: noScene: Clinics, offices, homes, , barber shops, massage shops or beauty studiosThe product contains: 1*stool●The stool is well-structured, sturdy and durable.●Combined with double protection of air lift cylinder and explosion- iron plate that meet SGS test standard, it can be used safely.●It can meet different heights and applications. Make your busy day easier.★ Tips: Due to the different display resolutions, there will be subtle nuances, I hope to understand!★ Manual measurement of the size, the error is 0.5cm is normal, I hope to understand!★ If you have any questions, please do not hesitate to contact customer service!We have professional customer service and high- after-sales service. Please rest assured to buy, I wish you a happy life.