Eliminates odors on a molecular level is Biodegradable * Non-allergenic, non-irritating, fragrance free and non-toxic * Spray on all types of surfaces * Patented formula * One 16 Ounce Zero Odor Pet Odor Eliminator, One 16 Ounce Zero Odor Litter Spray and One 16 Ounce Zero Pet Odor & Stain Remover