After first appearing in the 1940s, the candy’s iconic branding and edible rice paper wrapping gave it a special place in China’s collective memory and history. They are now exported to more than 40 countries worldwide.The milk candies now known as White Rabbit first appeared in the 1940s, and have been synonymous with Shanghai ever since. Their iconic branding and edible rice paper wrapping occupy a special place in the city’s collective memory and history.