Careful with who you endorse on the cards, some of the big names like Coinbase have become centralized monstrosities. Perhaps focus more on the qualities of Bitcoin.

1) Instant transactions
2) Completely anonymous if you choose
3) All transactions documented forever
4) Your money will never be frozen
5) No restrictions on how much you can send or where you can send it
6) Extremely low fee of ~5 cents even if you send $100 million to the other side of the world
7) Cryptographic security makes Bitcoin even safer than banks
8] Expand your customer base since you can receive payments from anywhere in the world
9) Potential for significant profits as Bitcoin becomes more valuable with time
10) The future of money