How To Unseal Envelope Without Damaging It

Sometimes mistakes happens so that we can learn from it. Just because you mistakenly sealed your niece's birthday card without enclosing the gift card it doesn't mean you have to dip back into your stationery stash. A better bet, Place the envelope in the freezer for two hours. The sub-zero temperature will cause the envelope's glue to become brittle and crack, splitting the seal that secures the flap without any tears. After inserting the gift card, hold the envelope over the steam of a tea kettle for ten seconds. This will melt the glue so you can reseal the envelope with ease, then it solve your problem.