SUPERIOR PROTECTION - Safeguard your valuable 17x22' artwork and photos with our durable polypropylene envelopes, designed to shield against dust, moisture, and handling damage. ARCHIVAL QUALITY - Preserve your cherished memories and important documents; our acid-free and photo-safe envelopes ensure long-term protection without causing deterioration. EASY IDENTIFICATION - The crystal-clear polypropylene material allows for quick and easy viewing of contents without the need to remove them, saving you time and effort. RELIABLE CLOSURE - Keep your items secure with the robust PolyZip closure, preventing accidental openings and ensuring your contents remain safely enclosed during storage or transport.