Expanding zip bag

This bag was inspired by a friends bag she had, originally from Japan. The bag had no label, so we don't know who made it but I loved the idea. The closed bag is a nice small size - great for wallet, keys, phone, and a few other bits and pieces. When you undo to zip it becomes a bigger bag - great for carrying those wonderful finds at the weekend markets! (I do love a good market.)

Here are some more photos:

back of the closed bag; back of the open back;

vintage buckle on front; inside of closed bag

I'm hoping to give it a test run tomorrow at the Kiama markets.