Shop the ABC brand and it's affiliates in the official ABC Shop Online. Featuring the latest in Australian tv programs, books, music, and kids toys & games from all your favourite shows, including The Wiggles, Peppa Pig, Doctor Who, and triplej. The Horizon Outlet. © Horizon Outlet Store, all rights reserved. All product availability may be limited to quantities on hand. ‘Oh-No’ Proof Period Underwear holds the equivalent of 2 tampons worth of liquid to prevent embarrassing leaks. The best period underwear for teens.