A.M. Leonard Germination And Insect Blanket - 0.5 Ounce, 6 x 250 Feet Excellent micro environment for seed germination and seedling growth AgroFabric elevates soil and air temperatures during the day, capturing more heat than normal Retards heat loss and raises temperature minimums at night Provides earlier yields, insect control, reduced seed and soil erosion and up to a 4 degree frost protection Has a generous 85% light transmission