These are adjustable face mask lanyards that will keep your mask close at hand. They are 27 inches long, end to end, and the strap is 3/8" wide. Easily hangs from your neck when you need to take your mask off so you don't have to stuff it into your pocket or set it down. The soft cotton strap has a sliding button so you can adjust it to be comfortable wearing it. They can be used with any mask, simply hook it onto the mask's straps and then slip it over your head. They are made with safety breakaway clips. Available in various colors. FREE SHIPPING!