These Oxford Flexible Binders are durable, cool and handy. Store up to 350 sheets of paper in the 3-ring binder, or file smaller amounts of paper in any of the 4 clear pockets. Made from durable, non-stick materials, these round ring binders are ideal for students, teachers and anyone who wants useful organization for their work. The 1.5" Flex binders have a thick, flexible poly cover but won't weigh you or your backpack down. Flexible binders are perfect for color-coding by subject, class or project. You can keep your work the way it should be: cool and collected. Binders come in 4 assorted colors: black, blue, green and red. Sold in 4-packs.