Children mattress Manufacturer teaches you how to tie a mask. First: Tie the two straps on the same side of the mask together, and then tie them to the ears. Pay attention to the tightness of the tightness; pay attention to the face tightly. Attach the mouth and nose to the face, hang the ropes at both ends on the ears with both hands; pull the folds of the mouth mask up and down with both hands at the same time, so that the mask can completely cover the mouth, nose and chin; finally, use both hands Press the index finger tightly on both sides of the bridge of the nose to make the upper end of the mask close to the bridge of the nose.
       The supplier of Medical Devices equipment thinks the second: tie the upper and lower straps on the top of the head and on the neck respectively, and tie the knot around the ears at the top and knot around the neck at the bottom. The popular cartoon masks on the market are usually tied directly to the ears.