These water-resistant boxes are ideal storage containers when water damage is a potential problem. They're made of chemically-stable, polypropylene corrugated board. Significantly stronger and more tear resistant than paper corrugated cartons. The body of the carton is white with a black removable top for easy access. Each box also includes side openings for easy carrying. Cartons are shipped flat and assemble quickly; simply fold the box and snap it together.