Furmax High Back Office Chair Ergonomic Mesh Desk Chair with Adjustable Lumber Support, Headrest and Flip up Armrest, Black

Adjustable Lumbar Support & Breathable Back: Engineered precision - Customize the 3D mesh back support to perfectly hug your spine's natural curve, while ventilated mesh keeps you cool during marathon work sessions. Space-saving Flip-up Folding Armrests: Seamlessly flip up armrests to tuck neatly under desks or slide close for elbow support—ideal for compact spaces and effortless storage. 3d Adjustment Headrest: Designed with 3d headrest which can helps to relax when sitting on this chair. Tilt and height adjustments lock in perfect alignment for your neck Reclining & Rocking Function: Seat tilt adjustment allows reclining from 90° (upright) to 120° (relaxed). Smooth rocking motion with adjustable tension control lets you sway gently to maintain blood flow and focus Industrial Grade Metal Base: Heavy-duty alloy legs with dual-wheel casters (tested for 300 lbs) glide silently across floors without scratching. Color: Black,Gray, Beige Lumber support & Adjustable headrest & Flip up armrest Item Weight: 26.9 LBS Carton Weight: 30.2LBS Adjustable Height: 43.3“-49.5” Package Dimensions: 22.83" x 22.05" x 9.84" (L x W x H) Inches Product Dimensions: 20" x 19.7" x 49.5" (L x W x H) Inches Arrive in one carton Package Including: 1 x new office chair, 1 x installation instruction, 1 x installation tool package