Ironton Small Oval Galvanized Corrugated Steel Garden Planter, 67.39in.L x 19.75in.W x 11.8in.D, Modular Design

Modular design with 4 panels, 4 curved ends, 2 cross braces
0.60mm thick for support
Includes machine screws and wing nuts to secure panels together
Stronger than wood, better than plastic
Open floor that encourages deep root growth