Frost Protek Medium Plant Cover for Containers -Drawstring Close -Garden Fabric for Protection and Insulation -32" High START STRONGER...GROW LONGER. Medium Plant Cover protects plants from weather and pests during the growing season. Greenhouse effect gives seedlings and transplants a strong start. Weather protection from light frost, cool nights, wind, and heavy rain. Organic pest protection from birds, rabbits, squirrels, insects, and more. Lightweight breathable fabric allows air and UV light to reach plants. No need to remove each morning and replace each evening. Does not damage plants. Same non-woven polypropylene fabric used by commercial growers for plant protection. Fabric weight is 0.9 ounce and protects to about 26 degrees Fahrenheit. Reuse season after season. 98% POSITIVE REVIEWS by members of the National Home Gardening Club. Read more in the Product Description below.