Puzzle mat: Working car puzzle mat, large puzzle, working vehicles, construction vehicles, construction, dump truck, excavator, bulldozer, miniature cars Upon inspecting the puzzle mat, what appeared to be stains turned out to be consistent across the entire mat, suggesting it's a color unevenness. As this is a prize item, please be aware of any initial imperfections. If you have any concerns, please contact the manufacturer: Peanuts Club Co., Ltd. It will be packaged in a vinyl bag as the item is boxed. Shipped via anonymous delivery, using Mercari shipping. For boys Toys Educational toys Toy