This window box planter delivers a minimalist aesthetic with its clean lines and rectangular profile for a modern look in your space. It's handcrafted from thick gauge corten steel that's designed to develop a natural patina finish over time. This piece is equipped with styrofoam insulation to help protect plant roots from extreme temperatures. The double-walled construction provides a supportive environment for your favorite flowers while maintaining its structural integrity. Plus, the pre-drilled drainage holes help prevent overwatering to keep your greenery healthy throughout the seasons.