Fashion Forms Staykups Adhesive Bra Cups Style 55xx This style is DISCONTINUED. Wear backless, strapless, low cut, halter, prom, bridal and knits for discreet and firmer outline. Wear backless, strapless, low cut, halter, prom, bridal and knits for discreet and firmer outline. Available in Nude, Mocha and Black; in cup sizes: A, B, C and D cup. One pair per package.