This is a posable action figure.
From the Good Smile Company website:
Phat! Company teamed up with the garage kit dealer "RyunRyunTei" Toona Kanshi to codevelop a new generation of action figures known as the Parfom series! The next figure to join the series is the upgraded third Shiratsuyu Class Destroyer from "Kantai Collection -KanColle-", Murasame Kai!
She comes with both a double barrel turret and a single barrel turret to hold in her hands which can also be held by the strap around her body. The anchor attached to a chain is also included as well as a "teruteru bouzu" doll for keeping the rain away are both included as well as a selection of hand parts. Be sure to display her with the previously released sister ships Parfom Shigure Kai-II and Parfom Yudachi Kai-II as well as the upcoming Parfom Shiratsuyu Kai!
Size: Approximately 14cm in height.