To use this Chelsea FC crest birthday card, simply open it up and write your personal birthday message inside. You can then give it to the birthday person. As for maintenance, keep it in a dry place to prevent the gloss finish from getting damaged. Avoid bending it too roughly to keep the card in good shape. When storing, you can place it in a flat box or envelope. And remember, this card is a great keepsake, so handle it with care.