Using this AC/DC mug and sock set is super easy. For the mug, just fill it with your favorite hot or cold beverage and enjoy your drink. The sock set is perfect for daily wear. When it comes to maintenance, hand - wash the mug with mild dish soap and warm water, then dry it with a soft cloth. For the socks, machine - wash them in cold water with like colors and tumble dry on low. Avoid using harsh chemicals or bleach as it may damage the 'Back In Black' album design on both the mug and the socks.