.: White or transparent .: Grey adhesive left side for white stickers .: Four sizes to choose from .: For indoor use .: Not waterproof A kiss-cut provides you with the ultimate flexibility for implementing your vision—this method cuts the sticker into any shape you desire, while leaving the back intact so that it can be smoothly peeled off the page. Source: www.scpwiki.com/ Licensed under CC-BY-SA. Author: The original SCP logo was designed by far2, based on a free asset from Adobe Illustrator's "Mad Science" asset library, which in turn was based on the electrostatic discharge warning symbol. The first high-resolution PNG version of the logo was made by Aelanna, based on the original SCP logo. Source: http://www.scp-wiki.net/dr-mackenzie-s-sketchbook Licensed under CC-BY-SA. This product is a derivative work based on the concepts, ideas, and logo found at www.scpwiki.com and as such is included under the Creative Commons License Attribution Share-Alike 3.0 license found here: creativecommons.org/licenses/by-sa/3.0/.