OK, how about a quilted sewing machine cover...found this link and it even has pictures:)
http://sewing.about.com/od/freeproje...necoverins.htm
You can adapt it to fit Sebastian, just momentarily pretend he's a sewing machine and measure as per the pattern.
Then all your beauties will be covered...you will be a happy quilter and you can post pics and we will tell you how clever you are!