A good office chair can be beneficial to a productive workday. Imagine sitting on a hard leather seated, lack-of-maneuverability, unadjustable, weak back-and-lumbar-supportive office chair, I suppose you won’t have a very comfortable working experience, nor a good efficiency, not to mention a pleasant mood. Yaheetech 360° swivel ergonomic chair is your most cost-effective choice for your office and home. Soft sponge padded seat and breathable mesh backrest give you a cool and comfy seating experience even during the hot weather. Curved backrest with lumbar supports can reduce your fatigue after long-time sitting. Adjustable seat height to your variable needs. Five wheels can be rotated and rolled in all directions, which is convenient for multitasking. Tilting design helps you recline for better relaxation after the hard work. This durable and sturdy mesh chair is ready for your long-term use. Comfortable Armrests: Help you get rid of fatigue after a day's hard work. Breathable Mesh Backrest: Allows better airflow, accelerating heat and moisture dissipation. High Density Foam: Soft foam seat with good elasticity provides you with the best seating experience. Read more Specifications: Material: steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards Overall dimension: 23.8 x 23.6 x (33.7-37.6)’’(LxWxH) Adjustable seat height: 12.4-16.3’’ Seat size: 20.7 x 20 x 2.8’’ (LxWxThickness) Larger Seat: In this model, we upgraded the seat size, measuring 20.7’’ (width) by 20’’ (depth), to provide you with a softer and larger sitting area. Star base & 360 degrees wheels: Twisting and turning about is integral within the office. So we adopt a stable star base and equip it with 5pcs 360-degree swivel wheels, ensuring fluent and quick movement and keeping up your quick pace of work. Read more Height Adjustable Seat: Seat can be adjusted from 12.4’’ to 16.3’’ for your utmost comfort. Thickness Padded Seat: The thick of the cushion is 2.8'', which provides you with a softer and larger sitting area SGS-certified Gas Lift Cylinder: Made of heavy-duty steel and SGS-certified gas lift gives you the best chair adjustment safety. Read more Color Blue Black Black Black Red Black Material steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards PP, Polyester Fibre, Nylon, Foam PU leather, sponge, plywood, PP and nylon Foam, Nylon, PP, Mesh, Iron, Steel steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards PP, Polyester Fibre, Nylon, Foam Overall Dimension 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH) 23.5× 22.5× 35.5-39.5’’(L × W × H) 27.2x25x45.5-47.6 ’’ (LxWxH) 24×25.5×37.5-41.5’’(L×W×H) 24 x 23.6 x (34.5-38.2)’’(LxWxH) 20 × 22 × 31-36.5’’(L × W × H) Adjustable Seat Height 14.4-18.3’’ 17.7-21.7’’ 17.3-19.7’’ 27-31’’ 13.8-17.7’’ 17-22’’ Weight Capacity 275lb 300 lb 264.6 lb 300 lb 200 lb 300 lb Color Orange Gray Gary Black Blue Black Material steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards Overall Dimension 24 x 23.6 x (34.5-38.2)’’(LxWxH) 24 x 23.6 x (34.5-38.2)’’(LxWxH) 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH) 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH) 24 x 23.6 x (34.5-38.2)’’(LxWxH) 24 x 23.6 x (34.5-38.2)’’(LxWxH) Adjustable Seat Height 13.8-17.7’’ 13.8-17.7’’ 14.4-18.3’’ 14.4-18.3’’ 13.8-17.7’’ 13.8-17.7’’ Weight Capacity 200 lb 200 lb 275lb 275lb 200 lb 200 lb