Roon Model Backpack Azur LaneOur KMS Roon inspired backpack is designed for convenient everyday use. On the front is a cross shaped metal plate modeled after the symbol at her neck Triangle designs are based on the equipment found on her head Jump ring allows you to attach keychains or other decorative items While understated with an all black exterior, the inside lining is in light beige, inspired by her hair. The color contrast reminds us of the duality of Roons personality!