Add a burst of freshness to displays, bulletin boards and more while using Bubbly Blues library pockets to organize your classroom. Use Library Pockets to make learning games, create classroom management displays, organize your classroom library and so much more. Customize library pockets using the writing space provided on the front of each pocket. Library Pockets are the perfect organizational tool. Each pack includes 36 pockets measuring 3.25" x 4.5" .