These men's casual snake - pattern pants are a great addition to your wardrobe. To use them, simply put them on like any regular pants. When choosing a size, always check the size chart because different suppliers may have different sizing. If it's Asian size, go for a bigger one. As for maintenance, you can machine - wash them in cold water to keep the fabric in good condition. Don't use bleach as it may damage the snake pattern. Hang them to dry to prevent shrinking. Keep them away from sharp objects to avoid tearing the pockets or the fabric. Enjoy your stylish and comfortable pants!