Safe and secure way to store waste amalgam with unique mercury, vapor-lock chemical protection. Airtight, snap-lid, polypropylene, 22-fluid-oz. container with a foam-wrap insert that fits snugly inside the circumference of the receptacle. This wrap is impregnated with a formulation of nonhazardous chemicals that disable the mercury vapor. Contains no hazardous ingredients. Virtually odorless. Can be used time after time during its 12-month life span.