CH-Flirt.zip is a release file of the Minecraft resource pack [IR] RABe 523 (Flirt 1 SBB), made for Minecraft 1.12.2. It was published on July 1, 2023 and is 128.7 MB in size. For the full description, screenshots and every other version, visit the [IR] RABe 523 (Flirt 1 SBB) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.