All poly bags should meet or exceed requirements listed below.
Poly bags with a 5-inch opening or larger (measured when flat) must have a suffocation warning either printed on the bag or attached as a label. Example: "Warning: To avoid the danger of suffocation, keep this plastic bag away from babies and children. Do not use this bag in cribs, beds, carriages, or playpens. This bag is not a toy."
The thickness of the bag must be at least 1.5 mil (thousandth of an inch)
The poly bag must be transparent.
Poly bags must be able to be completely sealed.