Incorporate paperwork without holes and other small items into your three-ring binder with these poly envelopes. These acid-free envelopes feature front flaps with hook-and-loop closures to keep items secure, and the side three-ring flaps let you easily insert these envelopes into a binder for simple storage, organization or transportation. Each piece in this 3-pack of Smead poly envelopes features a 1.25-inch expansion capacity to accommodate thicker bundles of letter-size papers, brochures and other items.