Didn't put the original one on properly and dust got on the sticky side had to get a new one. Called HTC directly they referred me to a site called mobileplanet.com. When you type it in it redirects you.
http://www.expansys-usa.com/p.aspx?i=147579
(direct link for what your looking for.) I was billed about $18.90 same quality as the one that comes with the phone. It's manufactured by HTC.