The Standard of Purity Spill-Proof Flo-Thru Package Absorbs and Destroys Big Odors in Small Spaces Great for Refrigerator, Freezer, Shoe Rack, Gym Bag, in Cupboards, Under Sinks, Closets and More! Write the Date That is 30 Days From Opening the Box Change Every 30 Days Use a New Box Each Month for Fresher Small Spaces Spill-Proof Package Flo-Thru Vents Expose More Baking Soda Than Other Similar Sized Products While Fresh-N-Natural contains pure Arm & Hammer Baking Soda, we do not recommended it for baking as the granulation is designed specifically for deodorizing. After use, pour down the drain while running warm water to freshen.