Boys Halloween Costume-Baymax Red Classic Kids Costume Medium 7-8 : This Baymax costume for boys features his red super suit with a purple torso. Soft wings also detach from the back, and a red molded plastic mask completes this Baymax Halloween costume. Fits children sizes 7-8. 100% Polyester Care instructions: Do not dry clean. Hand wash cold separately. Do not bleach. Line dry, cool iron if necessary.