$50
Bought it new for $300, used for only 1 school year!
It has a removable cover so you can wash it/buy a new one. Currently has a white cover on it.
Here's the link:
http://www.ikea.com/us/en/catalog/products/S69010624/#/S39871653
Email me if you are interested or want more information: cemartin@stanford.edu
Please do not message this poster about other commercial services.
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