:dc Gram Microparticles - Three-dimensional Nano Thin Film Mask for Occupational Protection - PM2.5 Protection (6 pieces/box)

Breathing is also a kind of aesthetics. Daily habits create an attitude towards healthy life. Gram particles - protect you without leaving any particles behind https://www.youtube.com/watch?v=Tc1P7fnwFLU&list=PLIfjzIYF4GfuMBXd3eRcLGcA7Zu6xvFeB https://youtu.be/NLtHbVuTcJw * Gram particulate three-dimensional PM2.5 anti-air pollution washable nanofilm mask * Breathing in three-dimensional space is smooth, no need to use mask support frame * Special cotton rope ear straps allow you to wear them for a long time at work, still comfortable and without any marks. * 95% oil fume proof, 99% dust proof, 100% suitable for you who care about healthy breathing * High-efficiency filtration + breathable and comfortable + oil-proof and moisture-proof * Replaces general N95 masks, more breathable and comfortable *Lightweight and three-dimensional design, getting rid of heavy burden, allowing you to breathe freely even if you wear it all day long. * Eco-friendly and can be washed and reused. It is recommended to wash it every day and replace the mask with a new one every 5-7 days. One mask is worth 7 N95 masks. * Each box of masks has an independent ID card for quality control https://www.dctpro.com/img/fitted_flat_facemask-img-12.png Suitable for: 95% protection against kitchen fume particles: Suitable for kitchen workers, frying, grilling, and quick frying. 99% protection against grinding dust: Suitable for precision processing, carbon fiber and glass fiber processing, manicure, food seasoning processing, building decoration, construction engineering, grinding processing industry, wood processing factory 95% protection against chemical aerosols: suitable for gas stations, precision processing, beauty salons, motorcycle owners, paint decoration, and shoe industry Product specifications: 6 pieces per box color: Gray mask with yellow ear straps Gray mask gray ear straps White mask with white ear straps -Three-dimensional adult XL: approximately 140 mm X 153 mm (expanded width approximately 180 mm) -Three-dimensional adult L: approximately 125 mm X 150 mm (expanded width approximately 180 mm) -Three-dimensional adult M: approximately 115 mm X 140 mm (expanded width approximately 170 mm) -Three-dimensional children's S: approximately 95 mm X 120 mm (expanded width approximately 150 mm) If you feel loose when wearing a regular flat mask, please choose M Size. If you think a flat mask is just right, please choose L Size If you think the flat mask is too small, please choose XL Size The appreciation period is not a trial period, and the returned product must be unopened, in new condition, and fully packaged (maintain the integrity of the product, accessories, packaging, manufacturer's carton, and all accompanying documents or information). Mask products are personal hygiene products and have reasonable exceptions stipulated in Article 19 of the Consumer Protection Law. There is no 7-day hesitation period after opening, and returns and exchanges will not be accepted.