Usage Tips:Large value: The belt price is too high, and you need to replace it every few months. Super comfortable headphones: made made of high-quality elastic fabrics to its comfortable and soft. Combining and fit, bring you uninterrupted night sleep. Super elastic: The elastic fabric headhole design is suitable for your . The split strap can be widened to obtain a more relaxed fit, and it can also narrow together to obtain a more close sense of fit. The gray side outward, the blue side is inward, there is no rough feeling, and it is comfortable to wear. : Our headband is very soft, flexible, and . It is made of high-quality nylon to long-term use. Successive materials provide additional durability and have 10 magnetic clips. Easy care: Our straps can be easily cleaned with mild soap, rinse, and dry every week. Do not wash your in the washing machine or dishwasher. The hood should be replaced every 3-6 months to that we wear and seal each time it is . Colour:Gray & Blue Material:Polyester Package Contents: 5 * CPAP Headgear Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.