This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. If you dont mind getting your feet wet, you could step on top of the cushion. On cushion cover tags, a W means you can spot clean with water-based cleaners. Once completed, hang the piece of foam outside to allow the piece of foam to naturally dry off. Useful Tips To Make Your Everyday Life Just A Bit Better. Fold the coverings over. According to him, the best way to get stains off a cutting board is to pour a mixture of baking soda and hydrogen peroxide or vinegar on top of it. Turn the foam over and sprinkle the other side with baking soda, too.