Seafolly Bikini Tops - Seafolly Block Party Bandeau Bustier Bikini Top - Black :: Women > Bikinis. Part of Seafolly's Block Party Collection: minimal designs for a scuba-inspired sports-luxe feelScuba-inspired designAdded shape and support with boning and gripper tapeWomen's bikini topMaterials: 87% Nylon. 13% ElastaneOptional halter strapBest suited for B to C cup sizesPerfect for this season's sports-luxe trendSoft cups Size: 12,14,16,08,10.