The double-wall vacuum insulation technology keeps your beverages hot or cold until the last sip no matter what the climate outside, and the cup's surface will be always in a comfortable temperature whether it is hot or cold drink inside. The wide mouth accommodates full-size ice cubes. The durable powder coating makes your tumbler can be held easily and fingerprint-free, also won't fade, peel or crack through extended use. The compact design of lid is leak-proof, so you can take this tumbler to anywhere. Custom logo is available.