How full can the bags be when we hand them in?

Since the compensation is based on a standard of all collected bags, it is important that the bags are completely full. It does not matter how many cans or bottles are in the bag or if they are flattened or whole. A full sack has about a decimeter of sack left from the top (equivalent to about a clenched fist) to be able to attach the bag closure. The bags must be filled according to the left picture, the right picture shows an unapproved degree of filling.