Lumbar support is a must in an office chair, but if you need to make do, then an attachable lumbar cushion is the next best thing. Luckily, Purple, the maker of my favorite pillow, also makes an excellent back cushion.

Made with the brand’s signature GelFlex Grid, the cushion provides flexible support and comes with a non-slip case and a strap that allows you to attach it to any chair — even the driver’s seat for a road trip. At $79, it’s cheaper than a new office chair and more versatile. Plus, the cover is machine washable.

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