... ; new material rice husk fiber black serving tray ,tray,hotel traySpecification: 1.Natural,non-toxic, eco-friendly black serving tray,tray2.made from 100% natural ... % Biodegradable 3.3R concept: Recycling,Reusable,Reduce 4.Non-toxic,without chemical and artifical coloring 5.Withstand temperature between -30°C ...