A feline behavior modification and training tool providing a guaranteed solution for problem cats that wont use their litter box. Just 20 ounces of this product (one bottle) will treat 100 lbs of medium size particle, non-scented scoopable litter and last one cat over three months. To be used with Dr. Elseys Ultra Litter. Each bottle contains a free Litter Box Solutions Booklet to help cat owners solve their litter box problems.