Ever Clean ES litter is specially formulated for multiple cat households. Stronger clumps stand up to increased litter box traffic, making Extra Strength formula perfect for households with more than one cat. It's the most popular formula. Ever Clean means no more changing the litter box. Unlike regular clay litters, Ever Clean Premium Clumping Litter absorbs liquid waste into solid clumps. The amazing clumping action of Ever Clean prevents liquid waste from reaching the bottom of the litter box where it decomposes and creates odor. Scooping out the clumps and solid waste will keep the litter box smelling fresh and clean. Ever Clean is made from a premium blend of natural minerals and clays. Only pure, safe, high quality ingredients are used. Cats like Ever Clean better because it is cleaner, more natural, virtually dust free and hypo-allergenic. The sandlike texture is gentler on their paws than regular clay litter. Ever Clean is very convenient. Ever Clean produces less waste than regular clay litter. All you need to do is throw out the clumps, which makes maintenance of the litter box faster and easier.