For a second year, a limited run of mini canvas tote bags had people waiting in line outside Trader Joe’s stores. At some stores, they sold out in less than an hour.

Welcome to FTW Explains: A guide to catching up on and better understanding stuff going on in the world. You may have seen videos of tons of people lining up at Trader Joe's recently or running into the store to get mini tote bags and wondered what the heck is going on. That’s OK! We're here to help.

Several store locations sold out of the spring-colored bags in one day but a spokesperson revealed to PEOPLE when they will be back