The Hello Kitty’s Girlish Culture collection has a long history. The original design was released in 1975 and it was part of design printed on stuffed animal dolls.
As you may notice from the pictures, the Hello Kitty Girlish Culture collection has an unique where most of the designs are decorated with red ribbons on the hand. The red ribbon is a symbol of friendship and it is friendship gift for you from Hello Kitty.
In order to highlight the red ribbon, Hello Kitty is dressed up with green ribbon on top of the head. Simply kawaii right? ^_^ [via]