• Stainless steel and can keep drinks hot or cold for over 12 hours. 
• Dishwasher safe so you can easily clean them everyday.
• All my designs are 3D printed onto the cup so they do not fade or scratch.
• Each 40oz Crewcup comes with a straw and lid.
• Has a lifetime warranty which means if you have any issue at all with your crewcup reach out and I will send you a replacement.

If you ever have any questions or concerns, or any problems with your crewcups please email me at help@themumcrew.com