A quick search on google came up with this.
http://www.amazon.com/Antistatic-Bags-Resealable-6X10-Pack/dp/B000BSN274
I'm not sure what you mean, can you take a picture and attach it to a post.
This is just a stock photo but you can see how the hard drive has a sheet of black plastic covering it. The thing is, I can't just use any black sheet as the OEM one is perfectly cut to size and has adhesive on the edges.
http://www.blogcdn.com/www.engadget.com/media/2011/07/mac-mini-mid-2011-teardown.jpg