This is a completed and painted, fixed-pose figure.
Adapted from the GoodSmile website:
POP UP PARADE figures are now available in stunning 40cm XL size! Featuring stunning sculpting and paintwork that can only be enjoyed at this size! POP UP PARADE is bringing figure fans a brand new sense of excitement with the XL line.
From "Attack on Titan" comes a gigantic figure of Eren Yeager in titan form! Owing to the figure's massive size, Eren's intimidating expression has been captured in detail like never seen before!