These envelopes are perfect for the storage of documents and pamphlets and other items. Made with a center seam construction, secured with acid free adhesive, and the opening is protected with non-adhesive flap.
Made of manilla acid free, lignin free ledger stock, with a minimum 8.5 pH, buffered with 3% calcium carbonate. Envelope meets ANSI IT 9.2 (PAT) standards.
Sizes listed below indicate the insert size, overall envelope dimensions are slightly larger to accommodate.
All sizes are sold in packs of 100 envelopes.