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 resistant. It is made of high-quality nylon to long-term use. Successive materials provide additional durability and have 6 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 Material:Polyester