Smart Cat Wood Based Littermade From 100% Wood, Smart Cat Is Manufactured Entirely In The Uk And Is Chemical Free, Organic And Biodegradable, Using By-Products From Sustainable Uk Forests. It Is Available In 6L, 15L And 30L Bags. The Ultra High Absorbance Of Five Times Its Weight Means It Traps Odours And It Retains Its Natural Pine Fragrance For 10 Days And Beyond.