"Wear-resistant, 3/4"" thick melamine top. Melamine sealed underside to help prevent moisture absorption. Full perimeter steel skirt support with plastic protective corners for safe stacking. Vinyl T-mold edge.1"" diameter, heavy-gauge steel legs with heavy-duty protective foot caps. Heavy-duty leg supports and gravity lock. Folds to 2-1/2"".Folds to 2 1/2"".Four-piece steel apron with four plastic protective corners for safe stacking."