background free gradient image photo plastic polymer stock texture abstract appearance artificial broken comfort comfortable-materials cushion-stuffing cushions fibers filling foam foam-stuffing fragments low-density pieces pillow-stuffing polyester polymeric-foam recycling reusable separate soft stuffing surface surfaces synthetic textures 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 plate pollutant pollution polystyrene PS substance synthetic-hydrocarbon-polymer toxic-waste unused widely-used