Odor encapsulating technology. Completely eliminates cat urine odor. Won't clump litter. A breakthrough technology that eliminates cat urine odor on contact. Nothing else works like Hartz Nodor Litter Spray because its unique encapsulating technology surrounds odor molecules, permanently stopping them from causing odor. Hartz Nodor Litter Spray is not baking soda, an enzyme or a fragrant cover-up. Hartz Nodor Litter Spray is safe for people and pets. Non-toxic. Non-allergenic. Made in the USA.