Self: 85% nylon 15% spandexLining: 92% poly 8% spandex. Hand wash cold. Ribbed fabric. Front and back cut-out detail. Logo-engraved metal back slide-lock closure. KOPZ-WX60. KZRT1806. Australian swimwear label Kopper & Zink is designed by Sally Burgess. The designs are a fusion of modern, edgy, strappy silhouettes with vibrant prints and solid colors that create an effortless balance of bold individuality and contemporary sophistication. Sally Burgess's unique design style stems from a strong philosophy to create swimsuits that are exciting from every angle. Kopper & Zink swimwear is engineered and designed with quality construction, custom prints and hardware complete with fluid finishes.