корабль очень быстро пыль маска для лица чистый хлопок марлевая маска пыль и бактерии доказательство 16 слой утолщенные дышащие маски можно

cotton gauze mask size: 18.5*13.5 (manual error may be 1) color: cotton white quantity: ten pieces in a pack 100 packets in a box structure: 16 layers, strap type material: absorbent cotton gauze filtration: standard for daily protection craft: traditional hand - made fine method cotton gauze mask, very thick material. the choice of gauze is 21s32s mixed woven gauze. the warp and weft density is 30*23. washable, not easily deformed, wear-resistant and durable for a variety of uses.