Walmart has a good deal on the Serta Big & Tall Commercial Office Chair with Memory Foam for $99 + Free Shipping!
A bit about this item:
The Serta Big and Tall Office Chair combines style, durability and comfort for an ideal office chair solution. Headrest and lumbar zones offer generous padding that will give you lasting back support while doing computer work or gaming. The seat is filled with a layer of plush memory foam atop individual coils that are strategically placed to displace weight for maximizing comfort.
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