A strong chair for a reasonable price: the backrest can be adjusted in height and backwards, which means that the seat depth is variable. In conjunction with the orthopedic saddle seat so a fatigue-free, healthy sitting position is possible. The seat height can be lowered by Toplift stepless from 18½" to 13½".Perfect for teacher's offices, work cubicles or doctor's rooms. Weight capacity: 240 lbs. Locking casters are gentle on flooring and are suitable for carpet. With sturdy plastic base and synthetic leather cover.