From Bulbapedia, the community-driven Pokémon encyclopedia.

Backdrops are items introduced in Generation IV. They are stored in the Fashion Case, along with Accessories.

Backdrops are used for taking Pokémon pictures in Jubilife City, only one can be used at a time. New ones are won every day in the Lottery of the same city if the last digit of a Pokémon's ID number matches.

List of Backdrops

• Dress Up
• Ranch
• City at Night
• Snowy Town
• Fiery
• Outer Space
• Cumulus Cloud
• Desert
• Flower Patch
• Future Room
• Open Sea
• Total Darkness
• Tatami Room
• Gingerbread Room
• Seafloor
• Underground
• Sky
• Theater