Individually packaged mask with 14 pieces, using high-performance filters with BFE99% and PFE99% filtration. - Model Name: Mimi Fuwa Premium - Quantity: 14 pieces, but 11 pieces remain due to use. Plus one small size, likely for children. Individually packaged, so they are clean. The package in the photo has been opened and is torn, so the masks will be placed in a different bag. - Filter Performance: BFE99% / PFE99% / Pollen 99% - Size: Approximately 14.5 x 9.5cm - Packaging: Individually packaged Thank you for viewing.