I'm amazed at the number of people in the local leashless dog park who use whole plastic bags from the grocery store or actually PAY MONEY for "environmentally friendly" bags.
You can pull nearly anything out of the dumpster and use that.
How's that for environmentally friendly?
I saw some gigantic pillow bags sticking out of the dumpster and decided to use those in order to maintain the bag aesthetic.
This instructable will teach you how to make a giant bag into multiple "glove bags".
Step 1: Grab Your Trash
Like I said, I used empty pillow bags from target for mine.
Make sure, before you bring any inside your dome of domestication, they are relatively clean and do not smell of Saint Peter's robes.
Step 2: Mod Your Trash
I tore the giant bags in half- ripping the seams in order to make a giant plastic sheet (another possible outcome: tarps?). Then I tore that into strips which I ripped in half.
Step 3: Examine Your New Poop Grasping Tool!
Here is the size I ended up with.
The pieces ended up being somewhere between 8" by 4" and 9" by 8".
These have worked well for me in 'real world use'
Step 4: Occupational Hazards...
Step 5: And Sometime in the Future...
...this will be commonplace