Great poop bag. Exactly what I was expecting. Thick plastic and it is 2 ply around where you grab. The 2 ply feature is really nice because if you have pine needles or any sharp twigs it is strong enough so it does not penetrate the bag within reason. My local park used to purchase these and switched to a lower quality bag. I did not like the new bags and found these on amazon. Thanks for the great Mutt Mitts.