Features: Durable and low-maintenance: Made from quality polystyrene, this crown moulding is resistant to warping, cracking, and moisture, ensuring long-term durability. Its smooth surface is easy to clean and maintain, making it a practical choice for any space. Customizable lighting effects: Pair the crown moulding with dimmable or color-changing LED lights to create dynamic lighting effects. Whether you want a cozy warm glow or vibrant accent lighting, this product offers endless possibilities to match your mood or occasion. Specifications: Material: polystyrene Color: white Size: approx. 47.24 inch/ 120 cm in length, totaling 35.4 ft/ 10.8 m in length Package includes: 9 x Ceiling crown molding Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.