Lightweight .05 oz. Does not block rain and transmits up to 85% sunlight. This cover will provide protection against light frost. Great for early planting and helps extend the growing season. Protects plants from birds, insects, and other pest during growing season. AG05 UV Point is a general use row or seed bed cover. This cover transmits approximately 85% sunlight which is adequate for crop growth. Because of its light weight it is often used as a floating row cover. The cover is soft and will not damage your plants. This cover helps warm the soil while allowing air, light and water to penetrate. A cover can help in extending the growing season. This lightweight row cover provides protection against light frost and is durable enough to use for several years.