The Vestil CPRO-800LP ergonomic worker chair is a portable, foldable chair with a seat that can adjust from 18.5 inches high to 33 inches high. Four rubber shocks under the seat allow it to tilt forward, left, and right to accommodate body movements. The base of the chair measures 13 x 20 inches (W x D). (W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) The seat measures 13-1/2 x 10 inches (W x D). The chair folds flat for storage and measures 4 inches deep when folded. It weighs 20 pounds and can support up to 220 pounds. This chair is intended for use in professional and industrial environments.