Demisexual Samsung Cases for your Galaxy S9, S8, S7, or Note- You can choose between the demisexual flag pattern or not. Demisexual Flag is a company that sells iPhone and Samsung cases with the Demisexual flag on them. They even have their own copywriting team to write catchy slogans for their products! The slogan for the Samsung Cases is “Demisexual Cases with ‘Demisexuality’ written all over.”