Pet Brand Cat Litter Deodorizing Crystals Petbrands Deodorising Cat Litter Crystals have an odour eliminating formula that can be used with all types of Cat litter. By spreading a generous amount of crystals on top of litter, this will ensure they lock in liquid waste and leave odours trapped inside. Make your Cats 'throne' a more pleasant place for them to visit. FEATURES: Easy way to keep cat litter trays fresh Non-toxic crystals are completely safe Can be used with any type of cat litter Especially recommended for indoor cats Lightly perfumed for a fresh smell SPECIFICATION Quantity - 170 g