These men's pajamas are a great choice for a comfortable night's sleep. To use them, simply put them on like any other pajama set. When choosing a size, remember to check the size chart carefully as different suppliers may have different measurements. If it's an Asian size, it's better to go a size up. For maintenance, you can machine - wash them in cold water on a gentle cycle. Avoid using bleach as it can damage the print. Hang them to dry to keep their shape and the satin - like look. And don't forget, with free shipping, you can enjoy these stylish pajamas without any extra cost!