When using a bumper, does Zagg or anyone sell just a back protector?

[wishman35]

I think the front protectors ruin the feel of the iPhone's screen, does anyone sell the back protector by itself?

I don't think I could use the bumper without that back covered..

 

[beamer8912]

bodyguardz sells the covers individually

 

[mranderson930]

You can get the back and sides for 6 bucks from bestskinsever

 

[wishman35]

Thanks guys, which of the companies is preferred? I just don't want one that is going to make the back all grimey and nasty.