Mimoglad Office Chair, Ergonomic Desk Chair with Adjustable Lumbar Support, High Back Mesh Computer Chair with Flip-up Armrests-BIFMA Passed Task Chairs, Executive Chair for Home Office (White, Black)Ergonomic DesignHave you ever been in pain in your back or shoulder? Our office chair has a backrest, combines the adjustable lumbar pillow designed with Ergonomics will be the best choice to protect your cervical spine and lumbar spine, reduces back pain. The ergonomic office chair is built with an S-shaped design backrest from 102-120, offering you a healthy sitting posture while working.Breathable & ComfortableThe backrest and headrest are made of high-quality breathable polyester mesh to keep you cool and comfortable. High-density foam-filled seat cushion resists deformation to provide the support that lasts all day long.Flexible AdjustmentAdjustable headrest and armrests show the flexibility of the ergonomic office chairs, you can adjust the height of the headrest and armrests according to your needs, finding the best position to perfectly support your neck, cervical spine, shoulders and arms to get the maximum relaxation. By adjusting the seat height to meet your work and daily needs.Safe & ReliableThe four-stage steel gas spring and heavy-duty nylon legs with max. load of 300LB, certified by BIFMA and SGS. The thickened explosion-proof steel chassis is hard-wearing, all the details make this desk office chair use longer. The quiet chair wheel wrapped by PU can smoothly rotate 360.Five Years WarrantyIf you have any quality problems, we promise to provide you with zero-profit product accessories within five years warranty period.Features & Specs:Special Feature Adjustable Lumbar, Adjustable Height, Flip-up Armrest, Swivel, 90-135 RockingForm Factor ErgonomicMaterials & Care:Material MeshFrame Material Alloy SteelProduct Care Instructions Wipe CleanSeat Material Type FoamMeasurements:Product Dimensions 25D x 25W x 43HSize 25D x 25W x 43H inItem Weight 12.72 KilogramsUnit Count 1.0 CountSeat Back Interior Height 23 InchesSeat Height 23.4 InchesSeat Depth 19.69 inchesArm Height 31.49 InchesStyle:Color Multi ColorBack Style Solid BackStyle ModernPattern SolidShape L-ShapedArm Style With armsUser guide:Maximum Weight Recommendation 300 PoundsSurface Recommendation Hard Floor