Many Thanks Stationery SetThis flat note stationery set includes a set of 6 letterpress printed cards and envelopes with 6 professional grade, self adhesive wax seals. Handmade with love in Burbank, California When mailing wax seals, hand cancelling or the use of an outer envelope to prevent any tearing due to modern mail sorting machines. Hand sorting mail is a service offered by most Post Offices and is a great way to ensure your seals stay intact upon delivery.