A Reddit user asks where to find Costco Korea's reusable bag in a post published on May 20. [WOO JI-WON]

Just last year, Koreans practically cleared out Trader Joe's tote bags across the United States, with its various versions — from compact totes to oversized versions — often seen on people's shoulders across Korea.

Now, Korea appears to have its own unlikely souvenir, with foreign tourists increasingly eager to take home Costco Korea's reusable shopping bag.

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"Does anyone know if the Costco in Seoul still has these reusable bags for sale? Hoping to get some for gifts," one Reddit user wrote in late May, adding that they had already visited a Costco in Ulsan but failed to find one.