Large flap and superior gumming secure documents inside.5" x 12. Heavy-duty clasp envelopes feature an open-end style, reinforced clasps, and deep gumming on flaps for a secure seal.
#93 Envelope, 9.5" x 12. Large flap and superior gumming secure documents inside.5", Clasp and Eyelet with Gummed Seal, Kraft Metal clasp with rounded edges is plated for rust-resistance.