【MULTIFUNCTION】90-180 Degree Adjustable Backrest, Vertical Adjustable Armrests,360° Swivel Round Base, Removable Headrest Pillow and Lumbar Cushion,Chair Can Rocked Back and Forth when You Adjust The Knob Beneath the Seat.
【High-security】 class-3 explosion-proof gas Spring of international standards, Verified by sgs, UL, BIFMA.
【Sturdy and durable frame heavy duty Steel frame with high density foam and premium PVC Leather for years of use; load capacity up to 330 lbs.; easily cleaned and fade resistant
【Product size back size(w×h): 23.3×33.2Inch Seat size(w×d): 20.9×19.7Inch adjustable Height: 18.20 "-21.9 ", 360 degree swivel, 90 to 180 degree backwards movement
【Warranty policy offer one-year worry-free manufacturer warranty: free replacement for damage defective items and missing parts