The Vue Heavy-Duty Stool is a big & tall office chair and extended-height stool, offering a breathable mesh back, ample support and ergonomic shaping. Rated up to 350 lbs. and designed for 24/7 use, the big & tall stool features a reinforced mechanism with back tilt and posture lock (back adjusts separately from seat), as well as adjustable back height and footrest. 10-inch height adjustment range The optional T-pad height and width adjustable arms offers a versatile workspace chair for all types of offices.