abstract artificial commercial filler foam light loose-fill packing polystyrene-packing-chips polystyrene-void-fill shaped shapes silvery-white space-fillers textures void-fill void-filler biodegradably-slow cheap chemical discardable disposable empty environmentally-unfriendly EPS expanded-polystyrene-foam foamed food-plate hazardous-waste inexpensive insulating lightweight low-cost monomer-styrene plastic plate pollutant pollution polystyrene PS substance synthetic-hydrocarbon-polymer toxic-waste unused widely-used beakers brass bronze bronze-ware chinese cups decorated decorative dragons drinking drinks faucet herbal hot jugs liquid medicinal mugs promotion shopfront stirrers sweeteners tap tea tea urns urns