Blue bag

In the latter usage, the distinguishing color serves to assist in recycling programs; blue typically indicates that the bag contains glass, plastic or polyethylene content.[where?]

[2] Blue bags are used to distinguish different types of recyclable materials at the point of collection.

The Chicago system has been criticized for its tediousness and inconvenience, as blue bags cost more to the homeowner than grocery bags and this system of recycling, compared to ones implemented in other cities and suburbs, requires additional effort.

However, most independent studies place the estimates at approximately 9% of the garbage picked up, resulting in continued criticism towards the program.

[1] A change to stickers had been considered when budgeting for 2018, but the bags were retained and granted a higher purchase price.