The Mayne Nantucket Window Box Collection features a bowed front, raised panel design, pronounced crown molding detail and built-in overflow drains. This window box features a double wall design creating a water reservoir. Water reservoir capacity is approximately 4.5 gallons (17 Liters). Includes 4 steel wall mount brackets with a black powder coated finish. Optional decorative brackets add a beautiful finishing touch, sold separately (4828). The weather-proof and ultra-tough construction allows you to enjoy your window box all year long with very little winter preparation. The UV inhibitors within the resin allows for a long lasting fade-free performance. Color: White. Gender: unisex.