100% Biodegradable,Compostable Oil & Water Proof,Freezer Safe,Non Toxic,Hygenic It is made of 100% sugarcane fiber and ... -plastics, cutlery pack & condiments pack, Aluminium casserole and foil sheet, non-skid paper traymat & airsickness bag, Bone China & SS flatware, Galley equipment & security ... .All our product is certificated to fit the hygienic requirement. paper tray