What is the Difference Between Gummed and Peel & Seal Envelope Closure?

Gummed envelopes include a layer of adhesive along the envelope’s flap that must be moistened to create a seal. This is the most common type of envelope. Peel & Seal envelopes include a strip of latex adhesive on the envelope’s flap. Remove the protective seal, press your envelope closed and your envelopes are ready to go. Peel & Seal closure is a clean, time-saving feature.

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