Prevue Antimicrobial Cage Liner Paper provides an extra level of cleanliness for your bird and a more sanitary clean up. It is a bird cage liner paper that contains no chemicals or bleaches and is 100% nontoxic and safe for both you and your pets. Combined with regular cage cleaning, the antimicrobial protection disables the growth of molds, mildews and bacteria. It is also conveniently marked per inch for easy sizing and trimming to custom fit your cage.