Bumblebee Muscle Costume, Child Large (10-12) Your child can be his favorite Transformer with this Bumblebee costume. Jumpsuit with muscle torso and arms, and character mask with elastic strap for a secure fit. Also has attached shoulder armour for realistic look. Costume fits boys sizes 10-12. 100% Polyester. Care instructions: Do not dry clean. Hand wash cold separately. Do not bleach. Line dry, cool iron if necessary.