An envelope with a wax seal on the outer-side may require being hand-canceled (this is up to your local post office). Postal Service is the only delivery service that reaches every address in the nation — 151 million residences, businesses and Post Office Boxes. The Postal Service has been named the Most Trusted Government Agency for six years and the sixth Most Trusted Business in the nation by the Ponemon Institute. With more than 1000’s professional symbols, it’s easy to find the perfect template for your business. Black Enterprise and Hispanic Business magazines ranked the Postal Service as a leader in workforce diversity. At the risk of tooting their horn too much, Artisaire is one of the few companies whose customer service actually impresses me. 4. Wait a few seconds and then press you button into the wax. Choose the base of your wax stamp with our size and handle options then upload your design. If you want your seals to be guaranteed to arrive 100% intact, we recommend placing your envelope in a larger envelope to add protection, or incorporate your wax seal into the design of your stationery. Placing a wax seal on the outer of an envelope is generally safe for mailing.