For the Holidays, Rouge G is adorned with an origami motif in tones of gold, silver and white. This precious case echoes Guerlain's festive fairy tale, in which magic comes to life. Pair with the new Rouge G Customizable Lipstick Refill (sold separately) to design your complete lipstick. The new Rouge G cases are only compatible with the new-generation lipstick refills and vice versa. How to Customize Your Rouge G: Customize your lipstick in 2 steps. For your first Rouge G lipstick purchase, choose a lipstick shade (sold separately) and then a lipstick case to create your completely customized lipstick. For the following purchases, refill the shade or change the case as you wish.