Food-grade HDPE plastic materials are used to create the appearance of the product. Rev.Lang is a company specializing in cold chain products, and a manufacturer of variable temperature ice packs, VIP vacuum insulation panels, and VIP insulation boxes. We have offices in North America, Asia and Europe. This allows us to provide customers with a wide range of transportation options. These solutions are suitable for life sciences, including cold chain solutions. Learn more on https://www.revlangs.com