It was first released in Japan during the Summer of 1979. Printed on the biscuits are cartoon style depictions of giant pandas doing various activities, such as fencing and archery. A similar snack to this would be Koala's March cookies.
The biscuits are commonly sold in a tall, hexagonal box with 2oz or 57.5g. In some countries, Hello Panda biscuits are available in small 21 and 35g aluminum pouches, 50g as well as 260g boxes and limited edition packagings.