OEM Smead 89527 red poly envelopes designed for durability and functionality. These heavy-duty envelopes resist tears and repel moisture, ensuring your documents stay protected. The bright translucent colors facilitate easy organization, while the gusset expands up to 1-1/4" to accommodate bulkier materials. Featuring a heavy-duty string-and-button closure, these envelopes are ideal for everyday use and are acid-free.