Enhance curb appeal by displaying vibrant Silver Tone Metal Window Boxes, ideal as liners for our collection of iron and aluminum cages. Each silver window box measuring 24" to 72" long is made from galvanized steel with a powder coated paint. The sturdy material makeup and powder coated finish yields superior outdoor performance and longevity. Use silver metal window boxes on their own or display as stylish liners. For custom sizes not featured online, please call toll free.