100% brand new and high quality Features: Made of high-elastic metal sheet stamping, Durable and reliable to wear. We deliberately increase the size of the V-shaped opening to make it suitable for all hats. Easy to use: V-shaped structure clip, easy to install and remove, Install it on any hat you like when you need it, such as baseball hats,trucker hats ,golf hats, Winter Hats, Headbands, and more. The mask is worn on the button instead of the ear, Perfect ear relief. Can be used in combination, Make sure the mask is in a comfortable position and does't slip off. Easy to carry:Small structure only nail size,can be put in a wallet, backpack, travel bag, clothes pocket. Easy to carry when going out for work, travel, shopping and more. Wear a mask when going out during the special period, Avoid spreading to your family when you go home. Specifications: Material:Metal Size:As pictures show Color: Silver Quantity: 10 Pcs Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10 Pcs x Button Extender