Lindocat Crystal Is A Hygienic Litter Comprised Of Fine Crystals Of Silica Gel, A Hypoallergenic Material Which Is Harmless To Cats And Is Outstanding For Its Absorption Power Of Liquids And Odours. Lindocat Crystal Dries Solid Waste, Thus Facilitating Its Removal. The Crystals Quickly Trap And Retain Urine, Blocking The Growth Of Bacteria And Unpleasant Odours. Lindocat Crystal Is Light-weight To Carry, Does Not Develop Dust And Does Not Stick To Cats' Paws.