office desk chair armless mid-back - mesh ergonomic computer chair studio executive task adjustable height without armrest rolling swivel no arms lumbar support for small spaces home grey anbuy <br><b>specification:<br></b> color: black / grey / blue / red<br> material: fabric / solid wood and original pp plastic<br> full chair height – 34.7-38.6in<br> seat width – 19.3in<br> seat length – 17.7in<br> seat thickness – 3.3in<br> back height - 20in<br><br> weight capacity - 250lbs<br> rocking function with tilt & tension control (20 degree) <br> rubber wheels 360 degrees rotation<br> <br><b>package include: <br></b> 1 office chair<br> 1 pack of assemble tools<br> 1 user manual<br> satisfaction guaranteed - we offer all our customers a 12 month warranty and 100% satisfaction guaranteed policy.