They are called Crinkleballs (or Kat-Teazzz - and I probably mis-spelled that) and they are by a Canadian Company, CancorOriginally Posted by Gus's Mom
Gus loves crinkly balls, those nylon fuzzy ones that have foil or something in them so they crinkle. He has about 6 and chases them all around and carries them in his mouth. There are usually 2 or 3 in his food dish. After awhile they get so disgusting that we call them "stinky crinks"