Honeycomb Paper Sheets can play a useful role in protective packaging by creating a lightweight, three-dimensional structure around products. Their open honeycomb design creates air spaces that can support product separation, cushioning, and reduced direct contact during shipping. However, they should not be treated as waterproof or moisture-proof packaging. Airflow and moisture conditions also depend on the shipping box, storage environment, humidity, temperature, product type, and other packaging materials. For moisture-sensitive products, additional moisture-control solutions may be necessary. EcoCushion Paper recommends evaluating packaging based on real-world product requirements and testing materials before large-scale use. When properly selected and combined with suitable cartons, void fillers, and moisture-control measures, Honeycomb Paper Sheets can support a practical and efficient protective packaging system.