This is a paid asset, but now you can download Supermarket Interior Free.
Detail this asset from Unity Store: Original Link
Supermarket Interior v2.0
Supermarket interior is a highly optimized asset for any VR, AR projects, games, mobile games, presentations, animations and more.
Thanks to ideal low-poly models with optimal lightmaps UVs and minimal pixel textures, it can work on any modern mobile devices.
One main texture makes it easy to change the color solution of the entire interior.
More information, high-quality screenshots, feedback
This package contains:
164 separate FBX & prefabs
1 texture 4096×4096
1 animation texture (256×256)
6 meterials (defuse, glass, TV, light)
Demo scene with 7 lightmaps (Progressive CPU, Unity2019.1.3)
All objects have two UVs
All brands is fake or abstract