1. Elastic and adjustable in length, suitable for most people to wear; 2. Safety warning slogan design can effectively remind others not to disturb during flight, effectively improving flight safety; 3. The two ends are designed to be tight and safe, not easy to loosen or fall off; 4. The headband is designed with a battery strap hole, which is convenient and comfortable to use. 5. Main material: Nylon 6. Size: 53.5 x 4.7cm 7. Weight: 38.6g
