Elviros ® is a USPTO registered trade mark. The serial number is 86682789. Elviros ® is putting the most environmentally responsible materials possible into the products. Renewable, organic or recycled material is used for manufacturing our innovative products. Our duty is to make our planet a better place for our next generation. So if you are having the same notion, Elviros's products are the best choice for you to lead a healthy and eco-friendly life.