Near Busan Station there's Daiso Busan Station (191 Jungang-daero) and Busan Choryang (91 Choryangsang-ro), both 10 AM–10 PM, handy before heading to the Busan Port International Passenger Terminal. The folding slippers with a pouch (₩2,000, 1,067 orders) come in a sturdy pouch. Busan store stock wasn't checked.
Daiso Mall
Daiso MallDaiso Mall