Frameless, flowing back design and flexible comfort available at a value price! Our new frameless elastomer back material is a flexible molded suspension system that eliminates the need for a rigid backrest. The engineered flexible design is able to flex and move with the individual user's needs. Not only flexible, comfortable and stylish, but also largely recyclable for an earth conscious chair. Choose from an array of colorful backrests to individualize and add impact to your office. An impressive level of comfort is achieved with this simple, straightforward and attractive design. In addition to the form fitting flexible backrest, functions include a gas lift height adjustment, tilt/tension control and forward tilt lock. 2" thick chair seat is upholstered in a comfortable mesh foam fabric material. Cantilever armrests are both sturdy and durable. Dual wheel carpet casters included. See soft casters for hard floors below. Chair ships unassembled for safety in transit. Seat measures 20"W x 20"D x 17"-20"H. Back is 19"W x 19-1/2"H. Chair measures 26-1/2"W x 23"D x 36"-39"H overall.