Tupperware is one of the largest manufacturers of plastic fresh-keeping containers in the world. Its products are made of pure food safety plastics, and have passed the strict inspection of the US Food and Drug Administration (FDA), Japanese Health Association (JPHA) and China Health and Quarantine Department. They are safe and hygienic, resistant to various solvents, such as acid, alkali and salt, anti-aging and have a normal service life of several decades.