This product is great for dealing with cramps. To use it, simply follow the general guidelines provided. When you feel cramps coming on, you can start using it right away. Keep in mind that although the cover has some crease marks, it doesn't affect the product's quality. To maintain it, store it in a dry and cool place. Avoid exposing it to direct sunlight or moisture, which could potentially damage it. If you have any questions during use, feel free to reach out for more help.