About this item Heavy-Duty Corten Steel: Our trough-style planter box is made from high-quality A606-4 weathered steel, ensuring exceptional durability and a lifetime of use. Easy Assembly: Our planter box comes with bolts and nuts, and easy-to-read assembly instructions for a quick installation. Modern Rustic Design: These are designed to develop a beautiful, natural rust patina over the course of 1-3 months, complementing any style whether it's farmhouse or industrial. Pluggable Drainage...