To use this costume, simply put on the jacket, then the trousers, and finally place the hat on your head. It's super easy to wear. When it comes to cleaning, you can follow the care instructions on the label. Usually, it's recommended to hand - wash it in cold water to keep the color vibrant. Also, make sure to dry it flat. Avoid wearing it in rough or dirty environments to prevent unnecessary damage. And always store it in a cool, dry place when not in use.