The Humboldt Emerald Sticker is a great sticker to put on any surface where a sticker may go. This has the Emerald Triangle in a graffiti style writing, with Humboldt in a repeating pattern in the background. This sticker is high quality, measures 3.5" x 3.5" and has rounded corners. It is UV rated for outdoor use and can last for up to 5 years.