Non-woven bags are often marketed as eco-friendly, but whether they are compostable and truly environmentally friendly depends on the materials used and how they are disposed of.

### Compostability:

- **Material Matters**: Non-woven bags are typically made from polypropylene (a type of plastic), which is not biodegradable or compostable. However, some non-woven bags are made from natural fibers like cotton, jute, or other biodegradable materials, which can be compostable under the right conditions.

- **Polypropylene Bags**: If the non-woven bag is made from polypropylene, it will not break down in a compost environment and can contribute to microplastic pollution.

- **Biodegradable Options**: Some manufacturers produce non-woven bags from PLA (polylactic acid), a biodegradable bioplastic derived from cornstarch or sugarcane. These bags can be compostable in industrial composting facilities, but they may not break down in home composting systems.

### Eco-Friendliness:

- **Reusability**: Non-woven bags are generally more durable and reusable than single-use plastic bags, which reduces waste over time.

- **Resource Use**: The production of non-woven bags, especially those made from polypropylene, still requires significant energy and resources, and they are derived from fossil fuels.

- **End-of-Life**: If not properly recycled or disposed of, non-woven bags can contribute to environmental pollution, particularly if they are made from non-biodegradable materials.

### Conclusion:

- **Eco-Friendly?**: Non-woven bags can be more eco-friendly than single-use plastic bags if they are reused multiple times. However, their environmental impact depends on the material and how they are disposed of.

- **Compostable?**: Only non-woven bags made from natural fibers or specific biodegradable materials like PLA are compostable. Polypropylene-based non-woven bags are not compostable and can harm the environment if not properly recycled.

For true eco-friendliness, consider reusable bags made from natural, biodegradable materials or ensure that non-woven bags are reused extensively and recycled properly at the end of their life.