Prevue Pet Products Cage Liners #18100 are a convenient addition to keeping your pets' cage clean! These quilted pads absorb light spills and the leak-proof bottom keeps messes in place. Spills and droppings are quickly absorbed, for faster drying and better odor control. The folded sheet opens to 18" x 20" and stay in place with adhesive back tabs in the four corners. The liners should be used underneath the floor grille and the white ink-free pads are ideal for monitoring the health of a bird droppings. When using in a small animal cage, the liners should go underneath the bedding, and not be used in place of bedding. Clean-up is quick and easy with these disposable pads. The cage base stays clean and reduces the time needed to clean cages. Made from eco-friendly papers and fibers. Cut pads down for smaller cages, or use multiple pads for larger cages. Saves cleaning time!