I see you have found This One's trove of magical devices and accompaniments. Much wonder is found here, but please, do make sure that you select the item that is appropriate for your needs.
Official HBO Game Of Thrones House Sigils Battle Of The Bastards Black Soft Gel Case for LG K10 (2017) / K20 Plus
Official HBO Game Of Thrones Silver Stark Embossed Sigils Gold Gripper Case for Apple iPhone 7 Plus/iPhone 8 Plus
Official HBO Game Of Thrones Sigils - Targaryen Silver Various Designs Black Guardian Case for Apple iPhone 7 Plus / iPhone 8 Plus
Official HBO Game Of Thrones Stark Dark Distressed Sigils Silver Fender Case for Apple iPhone 6 Plus/iPhone 6s Plus