The Barracuda Box is stronger, lighter, and more functional than other property storage boxes. Constructed with high impact "no break" polypropylene. "Stack and Nest" Design - Stack property boxes with or without a lid without crushing the contents of the Barracuda Box. "Nest" property boxes inside one another by simply turning the empty box 180 degrees. Locking hasp on both sides of the box. Rounded edges and corners for increased safety. Vertical structural columns for maximum strength and impact resistance. Flame Retardant (Passes CAL133). Test results available upon request. Manufactured to ISO Quality Standards in the USA.