Product Material: polyester Size: 70 * 0.8cm Color: white, gray, black Quantity: 10 pieces Package content: 10 * adjustable windproof rope 1. Convenient neck strap The adjustable neck strap ensures that it stays on your neck when you need it. It is very convenient to wear around your neck with straps all day. You never have to worry about them going away if you take them off for a while. 2. Adjust size The adjustable neck strap is suitable for both adults and children. The one size fits all (cord length 70 cm, width 0.8 cm), lanyard can be adjusted at will for maximum comfort and adaptability. 3. Super light You can barely feel its weight when you use it. It will not cause any problems for your work and life, whether it is work, suitable for all people including surgeons, students, teachers, waiters, professional players. 4. Easy to use Simply attach the lanyard to the elastic bands on your neck. Like a glasses holder, just pull it over your head and wear it like a necklace. Works with your existing ear protection or headband. 5. Comfortable and useful This neck strap is made of high elastic polyester fiber, effectively reducing the pain and pressure on the ears for a long time. It's also washable and reusable.