Using this mattress topper is super easy. First, unpack it from the compressed packaging and allow it 48 - 72 hours to fully expand. Then, just place it on top of your existing mattress. When you sleep on it, enjoy the cooling effect and the support it provides for different parts of your body. As for maintenance, if there are any stains, simply spot clean it with water and a dry cloth. Don't use harsh chemicals as they might damage the foam. Also, make sure to let it dry completely before using it again. Keep it away from sharp objects to avoid tears in the foam. That's all you need to know to get the most out of your mattress topper!