✔✔[TIE BEHIND HEAD DISPOSABLE] -- Adjustable ear lanyard, tied around the neck and head. Don't worry about ear lanyards breaking easily, suitable for everyone. You can adjust it to a suitable length according to your preferences. Overcome all the shortcomings of the ear lanyard face protection. ✔✔[HELP MORE PEOPLE TO WEAR FACE PROTECTION] --- This bandage coverings can meet all requirements. Disposable and hygienic. Relieve ear pain caused by long-term wearing of ear-hook face coverages. More importantly, it can bring protection to parents and the elderly who wear hearing aids. ✔✔[HIGH QUALITY 3 -PLY] ---The surface layer is composed of 3-ply of non-woven fabrics, which can block particles and droplets on the outer layer. The middle layer is a highly filtered meltblown layer, while the inner layer is a breathable and comfortable non-woven fabric.