Feature Lightweight, aseptic, sweat absorbable, air permeable, allergy free, no leaks, tight seal, perfect fit, max comfort, wraparound design, adjustable straps, tasteless, long service life, etc. Our universal replacement headgear is compatible with a wide variety of masks as long as they are of the 4-point connection type. This headband is made of durable fabric, which can be washed repeatedly without fraying, curling, shedding, or other kinds of degradation. No stitching, creating a smoother interior surface that is less likely to cause irritations or abrasions to the skin. include replacement headgear ONLY. Unhook hook and loop fastener of your old headgear, put the new one on the same way, positioning the hole in the back of your head and tightening to keep in place. Description Ventilator headband made of high quality nylon for long-term use.With flexible material composition functional design, you can feel more comfortable.High-quality headbands for various nose pads, made of three layers of heat-sealed material, waterproof and non-toxic. Specification - Material: nylon. - Size: 58.8x16 cm. - Color: Black/Blue Package Including 1X Headband