Adjustable bar chair is constructed of premium PU, foam, and iron, with solid structure holding up to 330 lb, sturdy and for long-term use. Height adjustable range is 36.2-44.5", which can meet your varied needs. 360°swiveling design is convenient for you to move the chair or fetch files/books, very practical. Stylish design makes it compatible seamlessly with any decor. * Specifications: Material: PU & Sponge & Steel & IronColor: White, Black, Gray, Red, Brown, Retro Brown, Light Gray, Beige, Khaki, BlueOverall Size: 17 x 19.5 x 36.2-44.5" (LxDxH)Size of seat: 17 x 15" (WxD)Seat height: 21.7-29.9"Back height: 11.8"Base diameter: 16.1"Maximum load bearing: 331 lbQuantity: 2pcsColor: Please see image for exact measurements.