70s Polyester Bells

Black ILGWU union made polyester bells!
Elastic waist
Marked vintage size 16

Measurements below taken laid flat, please double as necessary. Modeled here on someone who typically wears a modern size 6/size 8, and is 5'8" tall.
Waist 13.5" at rest, 16" stretched
Rise 13"
Hips 20"
Inseam 28"
Bell opening 11.5"