This is a Santa cookie cutter with a matching stamp. The cutter is approx 3" long.
This set was made with 3D Cookie Cutter app https://apps.apple.com/ca/app/3d-cookie-cutter/id1493296732. Check out the demo videos here https://youtube.com/playlist?list=PLAYFn92BPqG_9WqXykHsUFGo907IZ68Om&si=K7yOFlQIejY5aAeW