A customizable lipstick case by Guerlain for your favorite Rouge G lipstick shade. What It Does: The double mirror cases, designed by the Parisian jeweller Lorenz Bäumer, are adorned in trendy designs such as textured faux leather, bold prints, and elegant classics that transform your Rouge G lipstick into a work of art a couture collectible. Each Case is unique and design may differ. The case and bullet are made of zamak, a material that is sustainably produced with minimal impact on the environment. Guerlain is committed to being the most sustainable luxury beauty house in the world. Rouge G de Guerlain lipstick furthers that mission. How to Use It: Customize your style down to your lips: Choose a Rouge G Customizable Lipstick Shade (sold separately) Apply directly to lips. Choose a case to fit your style