This is the type of shop you wish you had created, Not only is it uber cool you really are saving the planet.
The idea is very simple. You go with your boxes / glasses / containers. You weigh them and using the pen and sticker, you mark up the food receptacle. You then measure out what you need and put it into the container. You then get charged for the food but not for the weight of your container! simples!
What is amazing its your doing your bit for the environment and its also fun to weigh out what food you need. Its also great for us who only want small portions either because you dont have room for the storage or because youre eating for only one.
I love this shop and really wish this business well.