NWOT 4 piece Revolution Dancewear black off shoulder with blue sequin detail

NWOT 4 piece Revolution Dancewear black off one shoulder with blue dangling sequin detail, size Medium Child (MC), clear strap over left shoulder that is adjustable and detachable, bikini style under bottom, loose fitting, comes with black sleeves that hook on thumb, also comes with a black/blue sequined headband, body: 83% nylon 17% spandex, excellent condition. measurements approximately lying flat: bust - 12in length - 22in sleeve lengths - 11in headband length - 25in