Cats are the world champions in grooming and place the highest importance in cleanliness and hygiene catsan has now developed the new smart pack especially for our discerning feline friends the new catsan smart pack is an all round winner it provides simple handling hygiene freshness and long lasting use it is ideal for almost all cat trays and contains a combination of extra absorbent micro fleece and hygiene cat litter on top of this itll keep the bottom of your cats litter tray ple