(3 Pack) Living World Gravel Paper, 16" x 16", 8 Sheets each 3 8-sheet packs of large Gravel Paper bird cage lining Custom cut to fit rectangular bird cages 15.75 by 15.5 inches Using gravel paper makes it easier to clean and maintain your pet's cage The paper's gritty surface also helps to keep your bird's claws trimmed as they walk across it When ingested, the loose gravel your bird scrapes up off the paper will help support healthy digestion