Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Create a detailed description for the following product: Corkcicle Canteen & Tumbler, belonging to category: Thermal Beverageware

### Response:
The Canteen and Tumbler beverageware is equipped with a third layer of insulation using a proprietary material, in addition to the proven vacuum-sealed dual layer. This results in a 20 per cent increase in performance on comparative products with similar steel thickness. The ergonomic design achieves both functional and aesthetic improvements. Each vessel possesses two flat sides for a natural and easy grip.
### End