Oversized project envelope features a hook-and-loop closure to keep your materials safely contained while providing easy access as needed. Sleek style of this envelope is made without gussets to lie neatly flat. Transparent material gives you a clear view of your contents to help you quickly find exactly what you need. Acid-free construction greatly reduces the amount of fading in photos and artwork for safe storage. Side-loading envelope is perfect for photos, posters, films, vellum papers, sketchbooks, brochures and more.