500 Gallon Poly Plastic Skid-Mounted Water Transport TanksCustom Roto Molding 500 Gallon Rectangular Skid Tank. All About Tanks is the only supplier of poly plastic skid mounted storage tanks designed for safe, efficient transport and easy off loading from truck beds and trailers. Our rotationally molded polyethylene tanks are impact resistant, FDA approved for potable water, and built to handle tough environments. With heavy duty skid frames, reduces the headache of filling the tank and when using a