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Composition
Made of rigid plastic, most commonly polypropylene (PP) or LDPE. The lid may have a silicone seal.
Environmental impact
Improperly discarded plastic containers can take decades to break down, releasing microplastics and polluting ecosystems. Recycling plastic saves energy compared to producing new plastic.
Disposal instructions
Dispose of it at a recycling yard or in the appropriate plastic container (according to local waste management guidelines).
Factoid
“Tupperware” is the name of the company that first introduced these practical plastic containers with airtight lids in 1946 and popularised them through home sales parties.