1、Comfort Enhancing: The window shades are designed with pleated curtains that block harmful UV rays, prevent interior fading, reduce sunlight exposure, provide insulation, and help to keep the travel trailer cool and comfortable. 2、Robust Construction: These 30x18inch RV window interior blinds are crafted from light yet heavy duty plastic, guaranteeing a strong and durable structure for stable operation and extended lifespan. 3、Stylish Design: Featuring a white frame, black screen, and blackout curtains, the blinds can seamlessly blend with your RV's interior, contribute to a relaxed, comfortable ambiance for existing RV blinds. 4、Smooth and Silent Operation: Offer smooth up and down sliding features, easy to raise, lower or lock, there's no noise or vibration during operation, and can be locked at any desired position. 5、Wide Application: The window interior sunshade blind is ideal for installation within horizontal sliding or outward opening windows of 28x16 inches, ideal for application in RVs, Camper vans, Caravans, Motorhomes.