Starfoam Anti-Frost/Insulation Blankets are 3/16" thick, lightweight and protect your plants down to 25°F. They are non-porous so they provide excellent protection from wind and aid in warming the soil in the spring. They are suitable for covering any plants – from flowering annuals and vegetables to perennial borders and shrubs. This product comes in 6 foot widths and 2 lengths – 175' L or 350'L. Choose the option that works best for your growing environment.