Strapless mini dress Slim fitting Princess Polly Exclusive 97% polyester 3% elastane Length of size US 4 / AU 8 bust to hem: 60cm / 23.6in Rheanna is wearing a size US 8 / AU 12 Silky material Inner silicone strip at bust Invisible zip fastening at side Metal closure fastening at bust Boning throughout Non-stretch Fully lined