These special envelopes have a glitter-trap waiting when they pull the strip to open the envelope. Use them to double prank with our cards or add some spice to your cards on hand. Simple setup * Lift flap * Insert an Endless Joker Card (or something else, I guess) * Remove the white adhesive cover on the lip * Fold over -- then give * Postage depends on what you ship; there is no single answer. Unfortunately. Size * 5x7 inches with some wiggle room. * 1 Envelope Materials * New Cellulose glitter is biodegradable in a natural environment * Does not come with any cards. Those are sold separately. *No Card Provided*