Outdoor Decor Window Boxes and Cast Stone Window Boxes. Cast stone window boxes from Campania International are beautiful elements to add to your outdoor living space. These rectangular planters are ideal for many spaces around the exterior of the home, from porches and decks to patios and balconies, these unique garden planters fit nicely around railings, doors and windows to bring both a natural stone look and a some greenery or color to anywhere outside in need. Window planters from Campania International are made of cast stone, which is one of the oldest and most reliable building materials around. This sturdy and durable stone has been used in the construction of bridges, cathedrals, and other significant structures. Today, cast stone is an excellent choice for garden decor and outdoor living accents because it will stand up against the weather and the elements season after season and year after year. Not to mention, Campania International offers all of their cast stone products in twelve beautiful finishes for creating your perfect look outdoors and truly a lasting style to enjoy every day. Patio Planters and Cast Stone Window Boxes Window Boxes made of cast stone will add the right look and coloring to your outdoor spaces, from simply decorative places to functional living areas. Let these window boxes accent areas around the pool, pathways or walkways, in front of the garage, along balconies or porches or to diving between dining and living spaces outdoors. These long rectangular planters have many functions around the exterior of your home, and they will last for years and naturally age over time.