The "Ease" work chairs are modern, smartly designed and offer an array of ergonomic features that will match your body''s position during the long working day. The high quality mesh back offers just the right amount of give and resistance as you shift your weight or lean back. The back angle function on these work chairs allows you to adjust the chair according to your individual needs so you can spend the working day feeling comfortable and relaxed!FEATURES:Arm pads adjust inward/outward and upward/downward, Backrest flexible tilt tension adjustment, Backrest tilt angle adjustment, Seat height and tension adjustment, Seat sliderCOLORS & MATERIALS:This office task chair comes in Black.CERTIFICATIONS & WARRANTY:These chairs for office are guaranteed to be free from defects in material and workmanship, and backed by a 5 year (foam/textiles/mesh) and 12 year (control mechanisms/caster) warranty. This is high quality, commercial grade business furniture intended for a standard eight hour, single shift work day.ASSEMBLED DIMENSIONS:Overall dimensions: 28"W x 24.50-26"D x 39-44"H 43lbsSHIPPING:You''ll receive your Chairs For Office - TOP SELLERS right at your doorstep via UPS/FEDEX Ground, with tracking provided. If you order 5 or more, we may need to ship the items differently (Curbside or Freight) and will contact you before shipment if we need to make special arrangements. Ordering 25 or more? Contact us ahead of time and we???ll be happy to confirm availability and make delivery arrangements (additional delivery costs or product discounts may apply).ASSEMBLY:Your Office Task Chairs will ship with illustrated instructions, making assembly manageable for relatively handy consumers. We recommend using 2 people, confirm you have all the parts and hardware before you begin, and do not throw away any packaging until you have completed the assembly. We suggest building on carpet or protected floors to avoid scratches. We???re also happy to provide assembly services ??? just contact us for pricing!