Dr. Elsey's Ultra Litter Attractant Precious Cat Litter naturally attracts cats and kittens to use the litter box. Non-use of the litter box is the number one behavioral reason cats are abandoned, abused, and placed in shelters. Designed for cats that are not using their litter boxes, Dr. Elsey's ultra litter attractant is the only litter attractant to provide a clinically tested and consumer proven solution.Dr. Elsey's is a veterinarian-owned cat product brand dedicated to creating products that solve the complex needs of pet owners. Founded in 1987 with the first all-natural clumping cat litter, Dr. Elsey's line of products has since grown to include a variety of premium litters that address the health and behavioral needs of cats in every stage of life. With the mission to enhance the lives of pets to the degree in which they enrich ours, Dr. Elsey's strives to put heart, soul and science into their line of specialty cat litters and food.