9'W X 13'H TRANSPARENT STANDARD GRADE SMOOTH STRIP DOOR CURTAIN KIT. REDUCES NOISE DUST FUMES. EXCLUSIVE GLASS FILLED POLYPROPYLENE MOUNTING BRACKETS (INCLUDED) REDUCE STRIP CURTAIN INSTALLATION TIME BY 90. PRE-PUNCHED STRIPS SIMPLY HOOK ON AND WILL NOT ACCIDENTALLY COME OFF. 12""W X .120"" THICK STRIPS HAVE 66 OVERLAP (4"" EACH SIDE) TO CONSERVE ENERGY. HEAVY-DUTY VINYL HAS OUTSTANDING CLARITY AND WARP-RESISTANCE. ROUND EDGE AND CONCAVE/CONVEX OVERLAP IMPROVE SEAL AND ELIMINATE DANGEROUS SHARP PROTRUSIONS. PROVIDES EXCELLENT TEMPERATURE RESISTANCE FROM -10 TO 150 DEGREES F. SPECIAL UV STABILIZERS HELP REDUCE FADING OR YELLOWING. SAFETY ORANGE END PANEL STRIPS INCLUDED. FIRE- AS WELL AS SELF-EXTINGUISHING AND REGISTERED AS SUCH BY THE CALIFORNIA STATE FIRE MARSHAL'S OFFICE.