AUTHENTIC GHOSTBUSTERS LOOK: Dress your little one in this officially licensed Stay Puft Marshmallow Man Costume, complete with a sailor collar, iconic hat, and plush marshmallow body for an adorable movie monster transformation. 100% polyester Shirt fastens with hook and loop fastener at back of neck Pants have elastic waist with attached feet Shirt sleeves and pants legs have sequential elastic bands with stuffing between them Headpiece fastens with hook and loop fastener in the back Collar fastens with hook and loop fastener in the back size 9/12 months