Union Proud Inc. uses the highest quality OUTDOOR GRADE VINYL for our decals. These are NOT paper stickers, these will hold up outside and on your hard hats for many years. All of our decals are manufactured in in our fully Unionized shops, and customized to include YOUR local number. With each purchase you are helping to support a vast network of UNION Brothers and Sisters who contribute to our North American supply chain. From administrative staff, to manufacturing, decorating, and delivering it to you, we all work in solidarity …. Thank you for your UNION support.