This is a completed and painted, fixed-pose figure.
From the GoodSmile website:
Following on from the Turtles comes a scale figure of Shredder!
Shred this! The popular series of "Teenage Mutant Ninja Turtles" figures based on renowned artist James Jean’s illustrations have now expanded into a series of villains for fans to add to their collection! The series is led by the Turtles’ most formidable foe, Shredder, and will also include Bebop, Rocksteady and Krang to recreate the full diorama from James Jean’s original illustration!
About 20cm tall.