Round Picnic Table with 46 Inch Attached Concave Seats Plastic Coated Expanded Metal and welded 2 Inch Galvanized Steel Portable Frame. The Canteen series plastic coated round 46 inch table with four attached concave seats is perfect for schools, food courts and parks. Made with plastic coated 3/4 inch expanded metal and 2 inch galvanized steel powder coated Legs. Plastic coating known as Thermoplastic is available in either textured polyethylene or plastisol. Portable style for convenience. The round shape encourages social interaction. Choose a variety of colors to add style to your area