Using these liqueur glasses is simple. Just pour your favorite liqueur or beverage into the glass and serve it to your guests. When it comes to maintenance, you're in luck because these glasses are dishwasher - safe. You can simply place them in the dishwasher for easy cleaning. However, if you prefer hand - washing, use a mild dish soap and a soft sponge to gently clean them. As for storage, stack them carefully to avoid any chips or cracks. Remember, this item is covered by a 30 - day return policy, so if you're not satisfied, you can return it within the specified time.