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30 days return guaranteeDisposable tray in PLA or polylactic acid, a polymer of vegetable origin (derived from corn starch) totally biodegradable: 90% in 60 days and completely in 90 days. High strength and transparent colouration. The PLA is transparent, bright, rigid and is the first polymer with zero impact on the emission of CO2. These trays in PLA are produced from renewable sources and offer users a viable alternative to petroleum-derived polymers.