Plant & Seed Row Cover Blanket is a lightweight, .5oz; white garden fabric.It creates an excellent micro environment for seed germination and seedling growth. This fabric provides 90-95% average seed germination compared to 60-65% with straw or hay and can be used as a low cost insulation against the elements. Seed & Plant Row Cover Blanket is well suited for cropping of greens for insect protection and protection from the hot summers rays. Provides 2-4 degrees of frost protection. Use with garden pegs. Come in two sizes 5'x25' fabric folded or 6'x20' perforated garden fabric roll. choose from the pull down menu.