Billabong Mini Wave Check Helena Underwire Bikini Top. Checkerboard but make it tiny. The Mini Wave Check Helena Underwire Bikini Top pairs smooth true-blue knit with medium bust coverage, pretty picot lace trim, and a metal logo hit at the back. Supportive underwire, adjustable straps, and a back hook closure keep you secure while you swim or sun. Lined. Medium bust coverage. Logo metal plate at back left. Adjustable straps. 64% Partially Recycled Nylon 31% Polyester 5% Spandex. Hand wash. Imported.