10 blank postcards. Featuring a circular mat print in powdery, wintry shades for you to customize: for stamping, painting, writing on, and decorating—with patterns, lines, flowers, and leaves. Basically, with anything that comes to mind or catches your eye. For holiday greetings, as a birthday card, to say thank you, or just because. Take out a card, gather ideas, get creative, and send it off.