These delightfully kitsch vintage Pony Tail Barrettes are in the shape of butterflies. Shimmery butterflies. They are made of plastic , have little grips on the back to hold your hair in place and are 4cm long.
They were fixed around the hair with the elastic bands that are looped onto their backs - see last photo. Needless to say these elastic bands are not as elastic as they were 50 odd years ago when new, but it's easy to fit on those little fabric covered elastic bands.
There are 4 on each card in the colour combinations shown.