Clump & Seal Litter by Arm & Hammer is a revolutionary litter that clumps tight and seals in odors for a 7-day odor-free home, guaranteed. This unique formula is 100% dust-free, and uses moisture-activated micro-granules to form a tight seal around cat waste odor, and heavy-duty odor eliminators to destroy odors on contact. Not only does Clump & Seal Litter keep your home smelling fresh and clean, it's also super easy to use. Simply scoop out clumps daily and top off as needed. There's no need to throw away the entire contents of the litter box every week like with other brands. If you're looking for a litter that will keep your home smelling fresh and clean, and is super easy to use, then Clump & Seal Litter by Arm & Hammer is the perfect choice for you.