Purposeful Spaces That Help Store Your Family'S Favorites. The New Prep And Store Bins Help Organize Your Fridge And Keep Food Visible, While The Prep And Store Shelf Makes It Easy To Access Leftovers, Prepped Meals And More. These Five Dishwasher, Microwave-Safe (Base Only, Without Lid) Bins Come In Three Sizes, Perfect For Storing A Variety Of Snacks And Ingredients.