A good packaging can be done quickly. Follow the steps below:
Put the cards in a sleeve (max 2 per „Tournament Sleeve“, max 4 per „Soft / Penny Sleeve“).
Seal the sleeve with tape, putting a slip of paper on top of the sleeve to prevent the tape from touching the cards.
Find a postcard (or a piece or cardboard) and place the sleeves on it. Then fix them so that they can't move.
Use another postcard to cover the cards.
Put the package inside an envelope and seal it. Now your order is ready to ship!