Extra-durable poly zip pockets have sides that expand 1/2" to hold up to 100 sheets. Non-stick poly is archival safe for documents and photos; our pockets won't transfer ink from your pages. Wear- and tear-resistant poly protects important household papers and school work from mishaps. Hole punched for three-ring binders; great odds and ends storage for scrapbooking supplies and project binders. Clear sides and colorful zippers give you at-a-glance organization.