The KeychainPod is constructed of two pieces—front and back—that fit tightly together via four tiny magnets, one in each corner. You place your iPod shuffle, sans USB cap, in the front half of the case, then place the other half on; it will snap together automatically, thanks to the magnets.
Company and Price
Company: A-1 Quality Products, Inc.
Model: iKeychain aluminum case for iPod shuffle
List Price: $29.95