All purpose greeting cards are the way to go for last minute messages, especially when they have a funny way of offering so many options. Paper cards, though rare nowadays, give an importance to an occasion, much more so than an email, and with these cards you’d have an arsenal of appropriate greetings for any event.
Printed on linen textured white cardstock with a white envelope. 5″x7″. Blank inside.
Also, if you like these, you might like the Utility Card from Grain.