Bra with underwired cups and rio string in a set Beautiful matte look material – stretchy Decorative stretchy straps with rings A trendy set for everyday and amorous adventures! A bra with underwired cups and a rio string in a set from Cottelli LINGERIE. Beautiful black matte look material with decorative stretchy straps and silver-coloured rings in the cleavage area and at the front of the string's waistband. It is stretchy which means that it is a perfect fit and it also feels comfortable to wear as well. The bra has adjustable straps and a hook fastener at the back. 90% polyester, 10% spandex.