http://www.gearxs.com/Winter-Ear-Warmers-Behind-the-Ear-Style-Fleece-Muffs-2-Pack$2.99
Does not fold.
Thanks, OP. I bought those. Then I saw these:http://www.ebay.com/itm/10-pack-Winter-Fleece-Ear-Muff-Warmers-Behind-the-Ear-Style/381499662419?_trksid=p5713.c100042.m2062&_trkparms=aid%3D555012%26algo%3DPW.MBE%26ao%3D1%26asc%3D20140109134348%26meid%3D590fa3f94510450c84bda3c1ef1f44d9%26pid%3D100042%26rk%3D1%26rkt%3D18%26sd%3D381049168168