"Miners- because engineers need heroes too"! We can all argue about the validity of that statement, but I think we know who is going to win! This sticker is 2" x 1.58" and made of super high quality, durable, waterproof vinyl. It's perfect for hard hats, water bottles, cars, notebooks, laptops, etc! Give it as a gift to your favorite miner, or perhaps as a witty gift to your favorite mining engineer!