| Please read more on In Search for the Perfect Cup | | | | durability, nanometer polymer is great, being 7 and 27 |
| part 1 for more information. | | | | times more wear-resistant than steel and copper, |
| They may be very easy to wash hand or in the | | | | respectively. Such materials, including HDPE, are very |
| dishwasher, but after being exposed to humid | | | | advanced and health-friendly types of plastic. Most |
| environments, the coffee may taste flat and stale. The | | | | likely, suppliers will highlight these characteristics upfront. |
| best material out thereâbut definitely not the | | | | Lastly, test your personalized travel mug's anti-leak |
| least expensiveâis polylactic acid or PLA. It is a | | | | auto stopper, rubber suction cap and thermal walls to |
| sugarcane- or corn-based biodegradable plastic. But | | | | see for yourself how up to par they can be. |
| does the surface dent when dropped? In terms of | | | | |