Because most most tint are made in China maybe
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these are better,very popular now http://www.ichinamall.com/photo/whol...eight-4187.jpg
http://uploads.tapatalk-cdn.com/2016...358dcc1adf.jpgnice ninja edit
When rattle canning it use a quality brand such as Rustoleum...
Exports tend to fade in the sun quickly and go crap.. They also don't cover as well as more expensive brands and tend to be runnier.