Using an industrial CO2 laser engraving machine and quality tumblers, we create permanent etchings into the cup • Each cup is custom made to order • Tumblers hold 40 ounces • Design is permanently engraved into the tumbler. It will not fade or wash away. • 100% dishwasher safe. • Double wall vacuum insulated construction can be used for both hot & cold liquids • ALL ENGRAVING IS SILVER AND CANNOT BE CHANGED! To preview your font choices before purchasing please use this link: https://www.corjl.com/d/23L667 Please note that no proofs will be sent prior to creation of your item. If you have any questions, please reach out. Shipping Details: •If your order arrives damaged, photo proof is required within 24 hours.