Set of 2 sandwich bags. Each bag replaces up to 500 single-use plastic zipper bags (this figure is based on how may plastic sandwich bags the average person uses per year in the usa). 2 reusable food-safe, bpa-free storage bags. Leak-proof, air-tight lock seal design. Stores flat for easy packaging and storing. country of origin : china size : 2 ct pack of : 12 selling unit : case