This 2-1/2 gallon shallow tray has a heavy wall and bottom and is made of natural low density polyethylene. Outside dimensions are 17-1/2"L X 15-1/2"W X 3"H and it has a wall thickness of 3/16". This size tray has straight side walls and no flange. Use as a shallow bath or an all-purpose utility tray. Suitable for temperatures to 140°F. Meets FDA standards and is USDA approved and NSF certified.