Ergonomic Office Chair

【ERGONOMIC OFFICE CHAIR】GERTTRONY's office chair designed with human-oriented ergonomic construction for providing comfort sitting experience. The office desk chair has rocked back and forth. 【EASY TO INSTALL】GERTTRONY's office chair super easy to put together. It took maybe 10-15minutes, this desk chair come with all the tools necessary 【DIMENSION】Backrest Size: 18.5" x 21.8" (W x H) Seat Size:19" x 18.5" (W x D) Seat Height:17.7"-21.7 " Overall Dimensions: 25''x24.1''x35.8-39.8'（Lx W x H） 【HIGH QUALITY】 Office chair all the parts BIFIMA certification, more reliable and sturdy, This desk chair does include a weight limit of 280 pounds. 【CONVERNIENT STORAGE】 Lift the armrest and It can be pulled up and placed under the desk. It can be stored neatly and space-saving. The armrest can be rotated 90 degrees to relax the muscles and have fun at the same time.It’s suitable for living room, study room, meeting room and office.