... sides 2. open 180 degree 3. sun-proof surface 4. rock wool,fire door security doorSun-proof, Sound-proof, shock-proof, ... rightColorslike the pictures Sun-proofcan be used outdoor Infillinghoneycomb paperor Rock WoolOR Polyurethane(PU)--soundproof, insulatedFCY Q'TY2050x860x70mm, 324/40 ... OEM&ODM is available Front side:Back side: infilling with rock wool and sun-proof goldhelmet-w7002 security door