This Design for Living 12 Piece Food and Sandwich Storage Set has continuous antimicrobial protection built into each piece, to help prevent odor causing bacteria on the containers. These containers are perfect for storing sandwiches, fruits, vegetables, seasonings and left-overs, and will keep foods fresher for longer. Constructed of extremely durable, heat resistant, BPA-free polypropylene, and will not leak or break. The lids feature locking tabs on each side to prevent spills and inhibits the growth of bacterial odors on the container. The lids are also 100% airtight and watertight. Nesting bases and lids make them stackable for easier storage. 12 piece set includes (3) 6 inch square x 2-3/4 inch high, 3.3 cup containers, (2) 4-3/4 inch long x 6-1/2 inch wide x 4-1/4 inch high, 4.2 cup containers and (1) 9-1/2 inch long x 6-1/2 inch wide x 2-3/4 inch high, 5 cup containers, each container comes with a lid. Dishwasher, microwave and freezer safe.