... 4~6 months.2) Anti-aging Long life PE Film: With Anti-aging additives, thickness from 60 micron to 140 micron ... , anti-fog, weather resistance, good light-transmission, and warm-keeping. With use life not less than 20 months.4) Thermal PE ... film,plastic film,plastic sheet,plastic sheeting,anti-uv film,green house film...For more ordering information please contact Mr. Daniel Chen. Super durable plastic ...