Inside: Blank plus additional blank insert to write your own message on, Size: 6 in. x 6 in. Envelope Color: Light Green, *Extra postage required for mailing, fair trade. Share a quilled Succulent Greeting Card with your most reliable friend. Succulents are said to symbolize enduring and timeless love because they are tenacious plants who can survive on limited water. The design depicts a succulent in light green paper art surrounded by light brown watercolor pebbles.