ā Durable Upholstery and Structure: The chair is made of luxurious PU leather and thick cushion padding refined for extra comfort and durability. It incorporates a supportive footrest attached at the bottom of the hydraulic metal bar that can swivel 360 degrees smoothly for an incredibly restful experience. ā Classic Design: The chair is covered in a checkered pattern that features the line tufting along with the seat and the backrest, each of the checks is padded with a thick cushion for added comfort with a contemporary look. ā Hydraulic Air Lift: The chair features an easy-to-use metal lever that can adjust the height conveniently. Our hydraulic pump is protected by our 1-year warranty. ā Easy installation: Installation is extremely simple as it only comes in a few pieces that can be put together without trouble. Notice: Please remove the black plastic cap on the top of the hydraulic pump before use. ā Specific Size: Base disc diameter 15''. Minimum height from ground to seat: 24''; Maximum height from ground to seat: 33''.