Comfortable: Made of sturdy, breathable soft fiber fabrics, the F10 headgear offers extra softness. Its stretchy and smooth interior, along with stronger nylon sticker straps, helps keep your mask securely in place. Enjoy better sleep with our headgear. Washable: Our replacement headband is reusable and can be washed repeatedly. No need to worry about fraying, curling, shedding, delaminating, or other forms of degradation. Convenient: Unhook the nylon sticker straps of your old worn headgear from the F10 mask, attach the new one in the same way, position the hole at the back of your head, and tighten to secure the mask. Color: Gray Material: Sponge and raised cloth Note: The actual product may have a slight color difference, which does not affect use. Package Contents: 1 x CPAP headgear strap Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.