Back in stock, Walmart has the Rubbermaid Produce Saver 4-Piece Set again for $9.97. Shipping adds $4.47, or Site-to-Store is free. Even with shipping, it ties with the lowest total price for a single set by $3. These containers each have a vented lid for extending the life of produce. They're freezer-, microwave-, and dishwasher-safe. This package contains two 2-cup containers, one 5-cup container, and one 14-cup container. Sales tax is charged in most states.