Using your Harry Potter Dobby mug is easy. Just fill it with your favorite hot or cold beverage and enjoy. When using the socks, simply slip them on like any other pair. To keep your mug in good condition, hand - wash it with mild detergent and dry it with a soft cloth. Avoid using abrasive cleaners. For the socks, machine - wash them on a gentle cycle with similar colors and tumble dry on low. This way, you can keep enjoying this lovely Dobby - themed set for a long time.