Agfabric Roll Floating Row Cover & Plant Blanket,0.9oz Fabric for Frost Protection,Gardening, Harsh Weather Resistance& Seed Germination 7x500ft Heavy-weight FRCs (.9-1.2 oz./sq. yard):Areusuallyusedtoextendthegrowingseasoninspringandfall,allow 30%-50%lighttransmission,and recommend offreezeprotection and season extension UV PROTECTION High quality spun polypropylene fabric is UV stabilized and reusable, and allows air and moisture to reach your plants, EASY INSTALLATION Measured size as described, easy to cover it on the plant top personally MULTI-APPLICATION Protect your vegetable such as tomato, pepper, pumpkin, strawberry rows, fruit trees, citrus and shrub, flowers as well as newly-sown grass WEATHER PROTECTION Protect plants from snow, hail, frost in the winter and insects,birds during the growing season