Dimensions: 63x50x100 to 110cm (24.8"x19.7"x39.4" to 43.3"), Weight Capacity: 150kg (330lbs), Surface Material: Mesh Fabric, Armrest Type: Height Adjustable Armrest, Pneumatic Lever Type: 100mm Class 3 Gas Lift, Color: Black. Combining stylish design with ergonomic innovation, these chairs provide you with optimized sitting comfort. CH05-7 is not only a comfortable office chair, but a healthy and active lifestyle. It is designed to address the common issues during the worktime. With high density molded foam cushion, this chair could support long-time sitting comfort.