disposable tableware,corn starch,biodegradable,eco-friendly, hygienic,nontoxic,-20 to 120 degree,acid,oil resistant,FDA,ISO disposable tableware, including disposable compartment trays, lunch containers, cups, bowls, plates, cutleries, etc. 1. They are made of corn starch, biodegradable and compostable. 2. 100% natural and environmentally friendly, hygienic.3. No chemical treatment, healthy, ...