Adult Ghostbusters Deluxe Costume with Proton Pack Only worn once for photos. Very good used condition. Purchased at Party City, come as a once size fits all. Includes: Standard Adult Jumpsuit (front zippered closure), Inflatable proton pack, Velcro badges of all 4 Ghostbuster names. The proton back adjusts around the waist and can be used to cinch in the costume when wearing it. See photo of myself, spouse, and teenage children all wearing the same size costume. I also have the matching Slimer pet costume listed in my closet.