Trader Joe's mini tote bag in blue, yellow, red and green on a white background
  • Trader Joe's $3 mini tote bags are the new must-have accessory.
  • The bags, available in four colors, have gone viral, causing them to sell out at some stores.
  • This had led to a lucrative resale market. Some eBay accounts are selling them for four times their in-store price.

Trader Joe's mini tote bags have only been on sale for a couple of weeks ā€” and they've already sparked a lucrative online resale market.

The limited-edition bags ā€” a smaller $2.99 version of Trader Joe's reusable tote bags, available in red, yellow, blue, and green ā€” went viral on social media, with shoppers rushing to their local stores to get their hands on them.