When your store is closed at night your refrigeration cases are still working, so why leave them open to release cold air and waste energy? Our Ruli night blinds are the most technically advanced night blinds in the industry. Our unique woven aluminum fabric, with nano-silver coating, offers superior performance, while at the same time resisting bacteria and the development of bio-film better than any other product on the market. In addition, Ruli night blinds have shown energy savings from 8% to as much as 41%. In all cases, the end users were delighted with the results.