Batman Fan Art - 4" Sticker by Hero Hydrants $7.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Batman Fan Art - Sticker 4" sticker While the Hero Hydrants are based off of firefighting, you can't help but wonder what your favorite Hero would look like as a Hero Hydrant. All sizes listed are approximate. Each sticker is made of vinyl. Fade resistant. Water resistant. Easy peel and stick. I want to see other options in this collection.