The Safco Mezzo Task Chair 7195BL gives you value for your money with a full selection of features, good looks, and a limited lifetime warranty. This office chair has a molded foam seat (18”L x 18”W), covered with black fabric upholstery, and mesh backrest, (17½” W x 18½”H), with adjustable lower back support. The seat swivels 360° and features a rocking mechanism with tilt tension and tilt lock. This desk chair also has height adjustable armrests to help keep you comfortable. Seat height is adjustable from 16” to 20” with the pneumatic adjustment lever. The 25” diameter base is made of steel and black nylon with 5 swiveling wheels. This ergonomic chair has a weight capacity of 250 pounds. Some assembly is required.