How about making a simple removable pillow cover for it. Here's the site with the instructions. For a 10"x6" pillow you would cut the fabric 10" x 16". Or if you want the opening to run the opposite way, you would cut for a 6"x10" pillow, which would be fabric 6" x 24".
http://sewing.about.com/od/freeproje...lopepillow.htm