Cleaned from bird nests that are pure white, have little dust and impurities, are free of bird droppings, the nests are relatively feathery or have many feathers, the nest shape is intact or slightly broken. The cleaned finished product can be put into a mold and reshaped into a bird's nest, with a ratio of long bird's nest fibers reaching 90%.
- Color: Ivory white
- Odor: Characteristic of bird's nest.
- Soaking time for processing: 4 hours
- Storage period: 18 months under normal conditions.