Homycasa Yanyan Mesh Mid-Back Executive Adjustable Computer Task Desk Office Chairs (Blue) MULTIFUNCTIONS: Blue Desk chair is with 360 degree swivel function, Backrest turnable and ergonomic,Breathable Padded Mesh, Pneumatic seat-height adjustment MATERIALS: office chair is made off Breathable Padded Mesh materials; High-density and brand new medium soft sponge; High-quality plasitque and metal frame(better support the weight of people) DIMENSION: Height of the seat adjustable from 13-18 Inches,the length of the seat is 15 Inches,Width of the seat is 16 Inches, Maximum capacity:250lbs RECOMMENDATIONS: Ideal as the gift for teens and children to use the office chair in computer room, study room, small bureau GUARANTEE: Provide 7x24 hours Service; Free replacement or money back for any reason within 30 days