These heavy duty, tough, and dependable totes are the ultimate reusable container for storage and transporting your valuable items in any application. Quantum Stack and Nest Totes are injection molded from high density polypropylene material. Will not rust, corrode, bend out of shape and are unaffected by chemicals and are waterproof. reusable container will stack with or without lids for maximum storage and shipping. They have the unique ability to stack and they can be turned 180-Degree to nest when empty, saving valuable space. Textured bottoms ensure safe and easy, non-slip grip in transit on conveyors. Pack of 6. Gray.