These Friends-themed shot glasses are super easy to use. Just pour your favorite shot, shooter, or spirit into the glass and enjoy. When it comes to cleaning, you can simply wash them with warm soapy water. Make sure to dry them thoroughly to avoid water spots. And be careful when handling these glasses as they are breakable. Don't use abrasive cleaners as they might damage the unique doodle designs. Store them in a safe place when not in use to keep them in great condition.