High quality British Made Reflective sheeting which will maximise the use of light in your growroom. Also used to cover floors, walls and ceilings! LightHouse White Black White is a high quality white-black-white sheeting to provide basic reflection and protection for plants. Same as black-white but with the inner layer of black making it more durable. Up to 80% reflective capabilities. Provides 100% light proofing and black out.