Our preschool requires a Kindermat for naptime, for sanitary reasons, with a washable cover. We leave the mat there, but we take the cover home weekly for washing. I didn't want a big puffy sleeping bag thing to lug home every week, because I am already lugging home backpacks, lunchboxes, half-dry art projects, jackets, etc. So I have always used a king-size pillowcase, which never really covered the whole thing, and didn't look cute at all, but was easily stuffed into a backpack and didn't take up the whole washing machine. Not anymore!!
Cuteness can be streamlined.
Also, if I ever need to haul the whole thing home, mat and all, it does this:
To see the photos better, click on the picture to go to flickr. If you are interested in a custom order, post a comment!