Use a new box each month for fresher small spaces. Flo-thru vents expose more than twice the baking soda of any other 1 lb. package. Absorbs and destroys big odors in small places. Great for refrigerator, freezer, shoe rack, gym bag, in cupboards, under sinks, closets and more! Spill-Proof Package Absorbs and Destroys Big Odors in Small Spaces