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Review title: Best idea!!
Product review: I started a new job in May and my back started killing me from riding the train and then using a crappy office chair. I bought this for work (tried it on the train, actually, that was great!) and it fits on my chair fine. The elastic is stretched about as far as it can go, but it is a wide chair. This has seriously improved my posture and my comfort. I'm going to order another one for my home office chair!
