Trouble & Trix No More Litterbox Odours is the optimal smelly litterbox solution. Spray directly onto your cats' litter to eliminate any unwanted odours that can hang around that area. And as an added bonus, the formula reacts with and destroys pet odours on any surface! So, you can use this spray to not only have the litterbox smelling fresh, but also the pet beds, cages, sofas, carpets, cars, etc. (not recommended for use on silk or leather). This smelly litterbox solution just keeps on giving, as you can also spray it directly into the air to combat airborne odours as well. Its natural formula makes it safe for use around children and pets alike.