1Perfect Fit: The breathing machine headgear uses sturdy quality materials and sturdy tips to hold your face cover in place for a perfect fit. 2Uniform Tension Distribution: The espirator headgear evenly distributes tension on the face cover, which improves face cover stability and minimizes stress. 3Breathable: The breathing machine headgear is made of breathable elastic fabric material, which is strong and soft, with better elasticity and sweat absorption. 4Soft And Comfortable: The headgear provides extra softness and stability to your face cover, helping you adapt to treatment quickly and comfortably. 5Ventilator Accessories: The strap is very simple to use, easy to install and disassemble, bringing you convenience and is an important accessory of the ventilator.