7 day guarantee. Experience the confidence of a 7-day odor free-home—guaranteed, 100% Dust Free, No more dust clouds when pouring or scooping, Seals and destroys odor. Moisture-activated Micro-Granules form a tight seal around cat waste odor, and heavy-duty odor eliminators plus ARM HAMMER Baking Soda destroy sealed in odors on contact, No crumbly clumps. Plant-derived particles help create rock solid clumps for easy scooping, Strong enough for Multi-Cat households and also available in a Fresh Home Scent.