1. Comfortable to sit with curved armrests and ergonomic backrest.Soft cushion and breathable fabric for more comfort. 2. 57cm - 77cm adjustable seat height satisfies more demands.Adjustable footrest and lumber support make you more relaxed. 3. Reinforced and rustproof metal frame for high stability and durability.360° rotatable seat makes communication much easier. 4. 5 universal casters for simple movement.Effortless to assemble with the clear instruction. 5. Ideal for both home and office. Specifications: Color: Black Material: Mesh Fabric, Sponge, PP Overall Dimension: 63 cm x 51 cm x 108 - 128cm (L x W x H) Backrest Size: 49 cm x 54 cm (L x H) Seat Height: 57cm - 77cm Net Weight: 13kg Weight Capacity: 120kg Package Includes: 1 x Drafting Chair 1 x Instruction