WASHING: Hand Wash</br>FUNCTION: Adjustable Fit?? Foldable</br>MATERIAL: 100%polyester</br>SIZE: one size?? fit most people. The shortest 13.7in?? can be stretched up to 16.5in.</br>MORE WARM: You can use ear buds underneath the earmuffs?? letting cold time flowing in warm music; you would certainly wear it together with your mask when biking.</br></br>Product Description</br></br>Unit Type : piece Product Dimensions: 5x 5 x 5 inches<br> One Size fits most. <br> The best quality earmuffs you can find in this good price! Super Soft fleece fabric.<br> It can fit in the normal jacket/coat size pocket when you fold it to the original shape.<br> The band wraps around the back of your head?? thus it keeps your ears warmer than a beanie but your hair doesn't get all messed up.<br></br><br/>http://www.amazon.com/gp/product/B01MXIRNF5