To use this Wolfman Pint Glass, simply fill it with your favorite beverage, whether it's a cold beer or a cocktail. When it comes to cleaning, you're in luck as it's dishwasher - safe. Just place it in the dishwasher with your other dishes and let the machine do the work. However, to keep its neon colors and print looking vibrant for a long time, avoid using abrasive sponges if you choose to wash it by hand. Also, store it in a dry place away from direct sunlight to prevent any potential fading.