Pneumatic seat height adjustment. Durable chrome footring with hooded double casters. Available in variety of fabric colors. Contoured back and seat relieve back-strain. Dimensions: 25L x 19.5W x 49.5H inches. About Boss Office ProductsWilliam Huang, Boss Office Product's CEO, established the Los Angeles-based company in 1990. The company began as an importer, distributing Taiwanese-crafted chairs to retailers and dealers throughout the United States. A year later, in 1991, Boss became the first US office chair distributor to establish manufacturing facilities in China, a major step forward for the company, which now has distributors around the globe. In 2003, Boss was ranked as one of Inc. Magazine's 500 fastest growing private companies in America. That tremendous growth continues today, as Boss continually delivers exceptional office products to companies around the world. Color: Black Caressoftplus.