lanyard length: 15.74 inch (about 70 cm).The length can be cut, according to each person’s height cut to fit the size.Neck area with safety breakaway Clasp,Can prevent children from being injured by improper operation.In order to keep your face clean, don’t put the mask randomly or put it in your pocket to prevent the mask from losing or getting dirty.It is very suitable for school children.When the mask is not in use, relieve ear pressure and breathe freely. it can be safely covered around the neck . It is very suitable for eating, socializing, running and other outdoor sports. Hook the elastic band on the mask into two small hooks. Just like a glasses holder, and slide it over your head like wearing a necklace. It can be used with your existing ear protectors or headbands.