Disney Parks Has a Ban on br Adults Wearing Costumues.br Think twice before wearing your Cinderella costume to Disney World.br Guests aged 14 and older can be refused entry into br Disney Parks if dressed in full costume or wearing a mask.br The ban is enforced for safety reasons, .br but also to ensure that young visitors have br genuine interactions with official cast members.br One way around the ban is the fan-established DisneyBounding, .