Seafolly Pin Up Halter Bikini TopGet this season's hottest style with the retro Pin Up Halter Top. Sizes on our site are US sizes, but products may arrive with the Australian size tags. You should still be receiving the US size you ordered. Pin up halter top. All-over striped print. Pom pom trim. Removable cups. Boning at sides. Adjustable halter and back ties. Large bust fit. 87% (Meryl) Nylon / 13% Elastane. Imported.