First Class Mailers 10”x13” - qty 30

First class mailing envelopes. New and unused. Qty 30. These are made of paper. Sealed size is 10”x13”. Self-adhesive flap. Estimating at least 10 years old. Adhesive is still tacky, but reinforcement tape might be needed if envelope is stuffed to capacity. ♻️I use recycled shipping materials when possible 🌎