... material LDPE and LLDPE 3,ISO9001:2008 transparent LDPE shrink wrap Film 1, can resistant drought, keep the temperature, promote the ... crops early, high-yield. Low cost, 2, the Black Film also has the following special functions: avoid light, keep temperature ... is called as physical weeding film. 4,Colors : transparent, milky whtie,black.blue and so on 5,ISO9001:2008 transparent shrink wrap Film