Perry the Platypus Halloween Costume from Phineas and Ferb and Milo Murphy's Law GUC. Child mediumish. See measurements. Listing consists of a light blue unitard with Velcro stitched to rear to hold tail, custom felt platypus tail, custom duck slippers, fedora, and duck bill. No tags since it was custom made. Approx measurements flat lay: armpit to armpit 11” stretch to 15”, girth shoulder to crotch 17”. Model is 7 years old and tall for her age.