100% Plant-Based Planet-Safe® Microplates are made from PLA, a plant-based resin derived from non-GMO sustainably cultivated sugarcane. Superior Cell-Binding PLA is considerably more hydrophilic than petrochemical resins such as polystyrene. This beneficial property allows a variety of anchorage-dependent eukaryotic cell species to grow in liquid culture on the dish surface without added coatings or treatments.  Test cultures with Planet-Safe® labware show normal growth and support of adherent Human Embryonic Kidney-derived cells (HEK293) and Monkey Kidney Fibroblast-derived cells (COS). Observed growth rate and confluence results were  comparable to leading tissue-culture treated polystyrene labware. Eco-Responsible Disposal Disposing of Planet-Safe® labware is convenient and environmentally sustainable. All Planet-Safe® labware is commercially compostable where available. When required, biohazardous Petri dishes may be incinerated releasing a neutral amount of carbon dioxide and water. Planet-Safe® may also be disposed of in a landfill providing a carbon sequestration benefit three times greater than that of polystyrene-based Petri dishes.