Its unique merits,as follows: *Easy DIY Installation; *12 class typhoon resistance and 99% UV protection both sides; *self-clean and mute function; *impact,chemical, anti-aging and yellowing resistance; *low temperature resistance and retardant; *safety insurance with qualification under 376 stricts tests( TUV,CE,ISO900 Certificate); *Environment friendly; *10 years warranty from Reboss.