HIGH BREATHABILITY reusable masks with high efficiency just like disposable masks? Our R&D team has turned it into a reality! Easy to breathe for you and your skin. Introducing the Revolutionary Advanced Nano Layer Reusable Mask! Produced using state of the art technology, the Wes Care Nanomask offers you unparalleled comfort even after long hours of wear. You will never see reusable masks the same way again! UV STERILISED for your facial cleanliness. Are your masks causing sensitive skin? Less facial contact than conventional 3ply mask and reusable mask. COMFORT was the focus for the materials redesign for long hours of wear and reusability. Nanomasks have effective sealing with the face without compromising comfort. EFFECTIVE FILTRATION with better comfortable sealing for long hours of wear. [ 5 pieces ] Wes Care Nanomask with adjustable earloops. BSI certified for ISO13485 Made in Singapore in a clean and controlled environment. Instructions for use and washing are provided. Instructions for use and washing are provided. * Washing instructions are provided, gentle handwash only soak in soapy water. Amazon requires to cover all medical test results on retail packaging.