These masks are completely sealed in packs of 10, ensuring hygiene. High-performance masks in lilac color, with a filter performance of PFE/BFE/VFE 95% or higher. - Color: Lilac - Model Number: No. 9 - Standard: JS T 9001 - Quantity included: 10 masks per pack x 7, for a total of 70 masks - PFE: 95% or higher - BFE: 95% or higher - VFE: 95% or higher - OPN: Less than 0.1% Thank you for viewing. Due to shipping considerations, the masks will be shipped without the box. Thank you for your understanding.