Vio is foam, so you’ll enjoy all of the benefits of foam: superior insulation, versatility and leak resistance. Containers have been shown to biodegrade 84.3% after 1154 days under conditions that simulate a wetter, biologically active landfill, using the ASTM D5511-11 test. Note that stated rate and extent of degradation do not mean the product will continue to decompose. A cost effective solution for everyday foodservice needs. An excellent choice for serving soups at grab-and-go applications.