Amazon.com: Party City Ghostbusters Halloween Costume with Proton Pack for Children, Small (4-6), with Jumpsuit and Backpack : Clothing, Shoes & Jewelry
Amazon.com: Kid's Ghostbusters Costume with Proton Pack Accessory, Ghostbusters Jumpsuit, Officially Licensed Outfit for Halloween Large : Clothing, Shoes & Jewelry
Amazon.com: Fun Costumes Deluxe Ghostbusters Proton Pack Replica Prop, Authentic Ghostbusters Costume Accessory & Collectible for Cosplay Standard Black : Clothing, Shoes & Jewelry