95% Reflective German Aluminum 2ft X 4ft Sun Sheets

95% Reflective German aluminum 2' X 4' sheets. Four sheets come in one package. This is the same high-tech material used in Sunlight Supply's Sun SystemŽ reflectors and is .020" thick. Line any growing area to create the ultimate grow room. Works great with the Home Box XL Enclosed Greenhouse from Sunlight Supply or use in a solar hot water heating system.