NWT - Baby Jack-Jack Incredibles Costume The Incredibles baby costume is a red stretch jumpsuit with the i emblem on the chest. Cozy and cute this soft jumpsuit has black stripes lining the wrists ankles and collar. For super-easy dressing and diaper changes this baby romper has a hook-and-loop closure on the upper back and snaps along the legs. Baby Jack-Jack Costume comes with a black eye mask to conceal your baby's true identity! Baby Jack-Jack Costume includes: Jumpsuit and Mask Size: 6-12 Months