Smead - Ultracolor Standard Plastic Document File, Letter, 5/Pack - Blue

Heavy-duty poly interoffice envelopes resist tears, repel moisture and are available in bright translucent colors for easy organization. Gusset expands up to 1 1/4" to accommodate bulkier materials. Heavy-duty string and button closure is designed for everyday use. Acid-free, PVC-free and archival-quality.