This 1-1/8 gallon shallow tray has a heavy wall and bottom and is made of natural low density polyethylene. Outside dimensions are 15"L X 8-1/2"W X 4"H and it has a wall thickness of 3/16". This size tray comes with a flange and flange is included in the dimensions. 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.