You get it from Lyra in the goldenrod underground.
In Pokémon Glazed, you can obtain the Fashion Case by visiting the Fashion Show venue in the city of Telnor. Once there, speak to the NPC who hosts the fashion show, and they will give you the Fashion Case. This item allows you to customize your Pokémon's appearance with various accessories for use in the fashion contests.
You enter contests
You get the fashion case after you get your first badge, and return to Jubilife City. When you leave to the north exit you will come across a situation involving Team Galactic. Once you beat them in a battle, a guy from Jubilife TV will come to you automatically and give you the Fashion Case.
Egg case? There's no egg cases but there is a coin case, seal case,fashion case and poffin case.
No
A fashion item that is contained in your case.
The Lineup - 1954 The High Fashion Case 4-31 was released on: USA: 16 May 1958
How Do I Look - 2004 A Charity Case for Fashion 10-19 was released on: USA: 27 February 2010
In goldenrod city, go underground and talk to a man behind a counter. Then you dress your Pokemon up using your fashion case. There is also a salon for Pokemon and a team rocket picture.
Perry Mason The Case of the Fatal Fashion - 1991 TV was released on: USA: 24 September 1991 Germany: 2 February 1992
ask to for those who attend the case study
walk around amunity square and talk to your Pokemon