KIND REMINDER. If the Respirators becomes damaged, soiled or being used in crowd places for hours, please take off the respirator without touching the surface, change to a new one in safe places, and then put the used in a plastic bag, tied the bag, and throw it in the trash can. Remember to wash your hands in the end :) 4 LAYER PROTECTION. The outer layer blocks large particles. Meltblown cloth layer blocks more than 94% particle attachments. Structural Layer builds a 3D space for non-contacts between your mouth and the respirator. The inner layer with soft materials contacts your face for comfortable using experience. 3D STEREO STRUCTURE. The 3D structure increases breathing space to make you breath smoothly and reduce the gap between the respirator and your face. The size is suitable for various face shapes. (NOT SUITABLE FOR KIDS) Protection for You The Respirator gives you protection. KIND REMINDER If the Respirator becomes damaged, soiled or being used in crowd places for hours, please take off the Respirator without touching the surface, change to a new one in safe places, and then put the used in a plastic bag, tied the bag, and throw it in the trash can. Remember to wash your hands in the end :) (It's normal that the Respirator has a special odor from non-woven fabrics. The special smell will disappear after placing the Respirator in a clean and ventilated environment for a few minutes) Four Layer Design The outer layer blocks large particles. Meltblown cloth layer blocks more than 94% particle attachments. Structural Layer builds a 3D space for non-contacts between your mouth and the respirator. The inner layer with soft materials contacts your face for comfortable using experience. 3D Stereo Design The 3D structure increases breathing space to make you breath smoothly and reduce the gap between the respirator and your face. The size is suitable for various face shapes. (NOT SUITABLE FOR KIDS) Comfortable to wear High-quality elastic earband makes it quite easy to wear and comfortable for long periods of wearing. Adjustable hook & loop strap gets the perfect fit for all day comfort. COMFORTABLE TO WEAR. High-quality elastic earband makes it quite easy to wear and comfortable for long periods of wearing. Adjustable hook & loop strap gets the perfect fit for all day comfort. What you receive: 30* POHAKU Disposable Respirator, up to 12 Month Warranty.