6-Pack Adjustable Flat Lanyard Face Mask Extender Ear Savers For Mask Strap Holder Elastic nylon spandex blend stretchable rope, black spring toggle stoppers adjust the tightness for comfot fit, soft, durable lightweight, skin friendly, easy to clean sanitize, washable, reusable May use to secure mask to head when cinched, keep the mask tight and safe, wear loose around your neck when not in use, it can be rolled and put in your bag when you don't need it Easliy secure any cloth disposable or reusable ear loop face mask, providing a more snug, comfortable fit, while keeping your mask free and clean of dirty surfaces when not in use Reduce the pressure on the ear, relieve the pain, even if wear for a long time also do not feel uncomfortable, prefect for teachers, nurses, doctors, healthcare, outdoor workers, etc Our adjustable length mask necklace not only use as mask extension hook, mask band extender, mask ear cord retainer, but also use as id badge card neck lanyard key chain holder Same Day Shipping