Mask Extender Anti-tightening Ear Protector Holder $ 4.55 description: Super convenient and convenient-relax ears and breathe easily-keep the mask clean and closed-put on or immerse your mask will not stain or stain your mask Just the important employee you need-clip the small hook to the elastic band of the mask. Like glasses necklace Same, wear it on your head, and then wear it as a necklace. Will work with your existing ear protectors or headband When you are not using a mask, please wear it safely around your neck-very suitable for business trips, eating, conversations or calling at a distance from society One size fits everyone, suitable for disposable and reusable masks-in grocery stores, restaurants, can be used with disposable masks or cotton masks Material: polyester fiber, length 65CM