This coffee travel flask was modelled to real-world scale, and is suitable for close-up shots. No textures have been used - simply adjust the materials to achieve different color variations.

Units: centimetres (cm)
Dimensions: 12.5 x 8.51 x 18.7cm

Geometry:
Subdivision surface level 0: verts 2023; faces 2019
Subdivision surface level 1: verts 8080; faces 8076
Subdivision surface level 2: verts 32308; faces 32304
Subdivision surface level 3: verts 129220; faces 129216

Notes:
Preview images were rendered with a level 3 subdivision surface modifier active.
The lighting and floor have not been included in this file - this model is designed to be dropped into your own scene or environment.Native scene format is Blender 2.83.4. Blender and Blender Cycles are REQUIRED in order to achieve the same render results.
Other formats might need tweaking to achieve similar results as shown in the preview images.