Guarantee 7 day odour-free home Multi-cat THIS REVOLUTIONARY CAT LITTER first seals, and then destroys odours. Extra Strength formula for Multi-Cat homes. SEALING A PROPRIETARY blend of moisture-activated Micro-Granules forms an odour containing seal around urine and feces. DESTROYING Then a POWERFUL formula with heavy duty odour eliminators, plus ARM & HAMMER™ Baking Soda destroys sealed-in odours on contact. PLUS... Your cat will love the new, softer feel. Product features Odour control for 7 days Seals & destroys odours No crumbly clumps Ultra low dust The standard of purity™ For over 170 years, ARM & HAMMER™ products have provided a safe and effective way to help keep things smelling fresh and clean. An odour-free home starts with ARM & HAMMER™.