Cat'S Best Universal Is A Pure Natural Product, Made From 100% Renewable Plant Fibre Raw Materials Without Artificial Chemical Additives. Only The Finest Plant Fibres Are Used For The Production Of Cat'S Best Universal, Which Are Obtained From Untreated Domestic Fir And Spruce. These Plant Products Are Continuously. Its Utilisation Is Used To Preserve Natural, Healthy Forests And Ensures Sustainability. At The Same Time, Cat'S Best Plant Fibre Products Are Subject To The Environmentally Friendly, Natural Biological Circulation - From Plant Sprouts To Rotting Biological Degradation Product.