Look like locals from the town of Bedrock with these couples costumes. The plus-sized Wilma Flintstone Costume for adults features a white, one-shoulder dress featuring a jagged hemline just like the cartoon. The plus-sized Fred Flintstone Costume for adults features an oversized, spotted orange shirt and a bright blue tie. Check out the individual Wilma Flintstone and Fred Flintstone costumes for more information and size charts.