YSK: The ASPCA has printable cards you can keep in your wallet, so that in the event of an emergency that leaves you unable to return home, whoever is helping you will know to alert someone to check on your pets.
from /r/YouShouldKnow
YSK: ASPCA有可打印的卡片，你可以放在錢包裏，這樣一旦發生緊急情況，你無法回家，不管是誰幫助你，都會知道提醒別人去看看你的寵物。