Unscented clumping cat litter box odor control formula made without fragrances or dyes provides guaranteed 10-day odor control when used as directed Purina Tidy Cats clumping unscented cat litter for multi-cat households offers uncompromising odor control with activated charcoal that absorbs odors Low dust multi-cat litter formula now in a smaller, easy-pour bag Unscented clumping natural clay litter forms strong, tight clumps for easy scooping and is part of the complete line of Purina Tidy Cats litter solutions Purina Tidy Cats litter is the most often recommended and personally used brand by veterinarians