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SAN FRANCISCO, Calif. — Staples and Office Depot are offering to laminate your COVID-19 vaccination card for free, KRON reported.

Millions of Americans who have received the COVID-19 vaccine are carrying around paper cards as proof. Now, you can protect that paper against damaging elements.

Just make sure the card is fully filled out before covering it in plastic. Those still requiring a second shot will need additional written records on that card.

Keeping your card safe could come in handy. Some destinations, cruise lines and major sports venues require proof of full vaccination, while some businesses are offering perks to people who can prove they received the vaccine.

The vaccine cards include information on which vaccine was given and the date it was administered. The card also serves as a reminder as to when to get the second dose if one is required.

If you lose your vaccination card, the Centers for Disease Control and Prevention advises that you contact the facility that administered the vaccine or your local or state immunization information program.

Also, remember not to share photos of your vaccine card on social media.