A good office chair can be beneficial to a productive workday. Our 360° swivel ergonomic mid-back chair is your most cost-effective choice for 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 can reduce your back 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. Larger Seat for Optimal Comfort: In this model, we upgraded the seat size, measuring 19.1’’ (width) by 18.5’’ (depth), and 2.6’’ thick, to provide you with a softer and larger sitting area. Pneumatic Seat-Height Adjustment: The seat height of this computer mesh chair can be simply adjusted from 14.4'' to 18.3'' by a little push-up/press down at the lever under the seat according to your needs. Comfy Armrests Give your arms a place to relax Robust Construction: Our mid-back office chair is constructed of hard-wearing nylon mesh, durable star base, solid rolling casters and SGS-certified pneumatic cylinder, which is capable of holding up to 275lb. Read more Reclining Office Chair A tilt tension control knob under the seat is provided to control the recline tension 360-degree Swivel Wheels Ensures fluent and quick movement and keeping up your quick pace of work High-Density Foam Seat： Thick foam padded seat covered with durable mesh fabric, comfy and breathable Read more Specifications: Material: steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards Overall dimension: 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH) Adjustable seat height: 14.4-18.3’’ Seat size: 18.7 x 19 x 2.6’’ (L x W x Thickness) Maximum weight capacity: 275lb G.W.: 23.4lb N.W.: 20.4lb Color: Dark gray Read more Color Red Black Brown Black Blue Dark Gray Material steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards PU leather, Mesh, Sponge, Metal, PP PU leather, sponge, plywood, PP and nylon Sponge, Artificial Leather, PP, Iron, Non-woven fabrics 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) 23.2×24.2×38×41.7’’(L×W×H) 27.2x25x45.5-47.6 ’’ (LxWxH) 25×22.6×44-47.5'' (L×W×H) 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH) 24 x 23.6 x (34.5-38.2)’’(LxWxH) Adjustable Seat Height 13.8-17.7’’ 18-22’’ 17.3-19.7'' 19-23'' 14.4-18.3’’ 13.8-17.7’’ Weight Capacity 200lb 264.6lb 264.6lb 297.6lb 275lb 200lb Smooth 360° Mobility ✓ ✓ ✓ ✓ ✓ Pack 1 1 1 1 1 1 Color Blue Black Gray Black Black Black Material Artificial Leather, Mesh, Sponge, Nylon, Steel PU Leather, Composite Board, Foam, Chrome finish Iron Faux Leather, Foam, Plastic PU Leather, Foam, Chromed Steel Frame PU Leather, Sponge, Chromed Iron PP, Artificial Leather,Foam, Nylon Overall Dimension 26.6×25×(40.7-44.7)’’(LxWxH) 19 x 19 x (31-36.6)’’ (LxWxH) 27.6x28.5x44.7-48.6’’(LxWxH) 19 x 19 x (27.8 -33.3)’’ (LxWxH) 15” x 20”-25.6” (Dia. x H) 23×22.6×(34.5-38.2)’’(L×W×H) Adjustable Seat Heig 17.5-21.5’’ 16.3-22.2’’ 19-23’’ 19.7-25.2’’ 20.9’’-26.6’’ 16.5-20.5’’ Weight Capacity 330.7lb 265lb 300lb 265lb 264.5lb 271.2lb Smooth 360° Mobility ✓ ✓ ✓ ✓ ✓ ✓ Pack 1 1 1 1 1 1