Prevue Pet Products T3 Antimicrobial Cage Liner 18030 provides an extra level of cleanliness for your bird. For a healthier cage and more sanitary clean-up, Prevue's liner has an all-natural antimicrobial protection layer. Available in multiple sizes, allowing you to choose the right size for your cage, Prevue's T3 Cage Liner is safe for you, your pets and the environment. 21.5" by 100' roll.