Progressive Prepworks Collapsible Produce Keepers 2 Piece Set, 4qt and 2qt Wash and store your produce all in one collapsible container; 2-quart capacity Perfect for lettuce and other salad greens, broccoli, celery and grapes Adjustable vent regulates air flow to help foods last longer; produce storage guide printed on front Collapses to 1/3 its original size for use with smaller amounts of produce and for convenient storage