Customers exchange snacks on Korea's Pepero Day

Pepero Day, celebrated on November 11, involves gifting Lotte Wellfood's chocolate-covered snacks.

Customers view Pepero snacks at a supermarket in Seoul on Sunday, a day before Pepero Day. [YONHAP]

Customers view Pepero snacks at a supermarket in Seoul on Sunday, a day before Pepero Day.

Pepero Day, derived from Lotte Wellfood's chocolate-covered stick's resemblance to the date “11/11,” is an annual marketing event in Korea that involves gifting the snack to partners, friends and other loved ones.