Polythene bag - Advantages and Disadvantages?

Advantages of Polythene bag:

1. Polyethylene is easy to process. 
2. Polythene bags are waterproof and so can be used to store or carry liquids.
3. They are also strong and durable and can be reused many times.
4. Polythene is a good insulator and so can keep things cold or warm.
5. Polyethylene makes good material for vacuum packing foods, as well as packaging blister packs. 
6. It is also transparent, which means that the contents can be easily seen.
7. Polythene bags are designed to be strong, so it is difficult to tear them by hand.
8. It's an efficient insulator, has excellent vapor barrier properties, and retains some gas molecules long enough for them to be removed by pulling some air out of the bag before sealing it.
9. They can be washed in warm soapy water with no special care.
10. They're cheap and sturdy
11. The manufacturing of disposable plastic bags uses up less water than paper-pulp production. 
12. And consumers seem to like them, even with thicker gauge varieties. 

Disadvantages of Polythene bag:

1. It poses health risks to communities living near the factories because it prevents oxygen from reaching the soil, instead of letting out toxins like benzene and toluene, which can contaminate groundwater sources.
2. Include risks to wildlife-bags have been found in various organs or stomachs of animals that mistook them for food or tried to use them as bedding. 
3. It cannot be recycled very easily yet.
4. They are not biodegradable - they take up to 2 years to decompose into carbon dioxide, water, and biomass under optimum temperature conditions. And since they are not 100% recyclable, this means even more trash in our landfills, dumps, and oceans.
5. single-use plastics cause a high impact on the environment.  
6. It can also leach harmful chemicals into the environment.
7. They are not always easy to recycle.
8. The manufacture of polythene also produces harmful greenhouse gases.