Using this unfinished wood fish shape is a breeze. First, peel off the protective paper backing that comes on most of these crafts. This paper is there to protect the wood during laser cutting and shipping. If you need a hole in the shape, just send us a message with the size and location you want, and we'll add it for free. When it comes to crafting, you can paint it, stain it, or add any decorative elements you like. As for sizes, they range from 3' to 48', but some intricate designs may not be available in smaller sizes. To keep your wood in good shape, store it in a dry place. Avoid exposing it to excessive moisture as it might warp the wood. And remember, if you have any questions about the product or the crafting process, don't hesitate to click the 'Message Seller' button. We're here to help you make the most of your DIY project.