Aloha With Hibiscus Flowers Novelty Metal Surfboard Sign. Offering our unique novelty surfboard designs in a 17" Surfboard Sign and also an 8" Mini Surfboard Magnet Sign. Both products are made out of .025 grade aluminum, which make them lightweight and durable. Both signs will have pre-drilled holes to make hanging these decorative signs easier. Choose between the sizes offered or add both to your cart to show off your style and decorations anywhere! The 8" magnet surfboard sign will have a magnet placed on the back to allow you to stick to most metal products. These items are proudly made here in the USA.