maybe something similar to this, but needs to fit a larger bundle of cables:
http://www.google.com/products/catalog?q=tech+flex+3%22&hl=en&client=firefox-a&hs=2cq&rls=org.mozilla:en-US:official&prmd=imvns&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1429&bih=988&um=1&ie=UTF-8&tbm=shop&cid=16230531328087016661&sa=X&ei=rAOmTs6aCa6rsALoo6CwDw&ved=0CG8Q8gIwAQ

-David