Educational Tool: Ideal for teaching young students about library systems or creating a schoolbook loan system. Vibrant Colors: Includes 35 pockets in 5 bright colors—red, orange, yellow, blue, and green—to add visual interest to your classroom. Customizable Application: Non-adhesive design allows you to use your preferred glue or tape to attach them to books, bulletin boards, or for crafting games. Practical Size: Each pocket measures 3.5 inches x 5.25 inches, perfect for holding 3 x 5 inch index cards, flash cards, or library cards. Versatile Uses: Great for creating file folder games, word walls, classroom helper charts, or sorting activities, making them a flexible addition to your teaching resources. Teach your young students about the library, or create your own schoolbook loan system with this package of 35 Library Pockets. There are 7 each of 5 bright colors: red, orange, yellow, blue and green. Since they are not self-adhesive-you can use your favorite adhesive to attach them to books or when making games. They are not part of a collection-they go with everything! These 5.25 x 3.5 inch Library Pockets can hold 3 inch x 5 inch index cards, flash cards or library cards.