Available in a variety of fabrics, PU, and genuine leather. All materials are SGS certified. Internal Materials: Integrated molded foam Optional Base Configurations: 01. 16mm diameter steel tube with 2.0mm wall thickness, available in white or black with high-temperature powder coating 02. Imported ash wood, available in natural wood or black finish 03. One-piece die-cast aluminum 5-star base with aluminum tilt mechanism (with handle), height adjustable; finishes: natural aluminum, matte white, or matte black with high-temperature coating; Equipped with Ø50mm gas lift and Ø50mm nylon casters; 04. Die-cast aluminum 4-star base with aluminum tilt mechanism, Ø50mm gas lift, matte black finish with high-temperature coating 05. 470mm diameter steel disc base with 7mm thickness; aluminum tilt mechanism with Ø50mm gas lift, matte black finish with high-temperature coating Fabric Option: HY series not available