... . The frame is elegant, beautiful as traditional products. Material: Polystyrene(PS) Usage: To make picture frame, photo frame, painting ... as follows: 1. Environment-friendly Product: The raw material is polystyrene, which is recycled, anti- ultraviolet radiation, antibacterial, and doesn ... frame moulding is mothproof, anti-corrosion, moisture-proof, non-shrink. And water-proof, so it can stay what it ...