Agfabric Plant Cover Square Warm Worth Frost Blanket - Shrub Jacket, Rectangle Plant Cover for Season Extension&Frost Protection (H24''xW32'') JACKET DESIGN Super Heavy-Weight FRCs (1.5-2.0 oz./sq. yard): Are usually used to extend the growing season in spring and fall, allow 30%-50% light transmittance, recommend 4-10F. of frost protection, resist harsh weather such as wind, snow, hail... DRAWSTRING DESIGN Easy drawstring at the openning makes it easier and quicker to cover plants during harsh weather. BREATHABILITY High quality UV stabilized spun polypropylene fabric allows air and moisture to reach your plants. LIGHTWEIGHT and soft fabric is plant friendly, no harm to plant growing APPLICATION Protect plants from snow hail,frost in the winter and insects,birds during the growing season,No need to remove each morning and replace each evening.