Walmart offers Hippo Ballerina Inflatable Adult Costume for $51.03 (reg $115.01) with free shipping.
 
Product Description:
Be the star of the party when dressing up in this silly and fun Hippo Inflatable Adult Costume. The piece is sure to get some big laughs with the oversized look and silly pink tutu. The hippo adult costume includes the jumpsuit with attached tutu and battery-operated fan to keep the person wearing it cool and comfortable. It does not include shoes, but can work with most varieties. It has a unisex design and is sized to fit most. Put it on for a festive party or while out trick-or-treating. Show off a comical side and pretend to be a favorite animal with this suit.
Hippo Inflatable Adult Costume:

• Includes jumpsuit with attached pink tutu
• Hippo Halloween costume has a battery operated fan
• Does not include shoes
• One size fits most
• Unisex design
• Comfortable to wear

Thanks Maggie