Warning Sticker Pack “Warning - You Are Beautiful” 5 x all weather stickers and 1x 3m barricade tape. Packaged in the distinctive metallic YAB zip lock ready to send. The #yabsticker campaign began in Chicago in 2002 as a little sticker and installations spreading a hopeful message through public art. With a goal to be a positive force and convey a simple idea - everybody deserves to feel good.