The hand rest is made from soft PVC leather, and uses a reusable adhesive so you can remove it for cleaning. The keyboard cover is a washable microfiber material that also works as a screen cleaning cloth.
The Protection Pack is available in sizes for the MacBook Pro, and 12, 15 and 17-inch PowerBook models. It is available at the Apple Store and the Dr Bott Web site, and is priced at US$19.95.