While sustainable packaging has many benefits, there are also some potential drawbacks or limitations to consider. Here are some of the cons of sustainable packaging:

1. Cost: Sustainable packaging materials can sometimes be more expensive than traditional packaging materials, which can be a barrier to adoption for some businesses.
2. Limited Availability: Some sustainable packaging materials may not be widely available, making it difficult to source enough materials for large-scale production.
3. Performance: Some sustainable packaging materials may not perform as well as traditional materials in terms of durability, protection, or shelf life, which can impact product quality and consumer satisfaction.
4. Production Process: The production process for sustainable packaging materials may require more energy or resources than traditional materials, which can offset some of the environmental benefits of using these materials.
5. Consumer Education: Consumers may not be familiar with sustainable packaging materials or may not understand how to properly dispose of them, which can lead to confusion and contamination of recycling streams.
6. Compatibility with Existing Infrastructure: Some sustainable packaging materials may not be compatible with existing recycling infrastructure, which can make it difficult to recycle or compost them effectively.

It’s important to carefully consider these potential drawbacks and limitations when choosing sustainable packaging materials and to weigh them against the environmental benefits and other factors such as cost and performance.