- 3-layer respirators in a pack of 50 in black - The masks are all welded together again in the box - These masks are made with 100% fiberglass-free non-woven fabric - Of course, the mask has a flexible nose clip - The nose piece is made of flat metal wire and is coated with plastic for a more comfortable fit - Ear loops are also made of spandex, which makes them particularly hard-wearing. The loops have a length of 17.5 cm
