Arvo Square PlanterArvo Square Box 12 x 12 x 18 Clean lines, tough materials, and endless versatility. The Arvo Square Box is a simple but incredibly durable outdoor box built to handle real life outside. Crafted from heavy duty marine grade poly, this box is designed to stand up to sun, rain, and everyday use without rotting, cracking, or needing maintenance. The smooth, solid panels and sturdy base give it a clean modern look while keeping it strong enough for years