The silicon belt is used in conjunction with the mask, which can effectively prevent damage to your auricle due to the elastic tape of the mask when wearing the mask for a long time. A long-time wearing a mask with tightening the rope on ears,the ears would be affected The silicone material is very soft, and it is very comfortable to stick on the skin.<b> When used to mask on one side of the elastic belt buckle on silica gel with a gear, place the silica gel belt in the neck, and then masks to wear, mask of another elastic belt buckle at the other end of the silicon band, buckle when pay attention to the looseness and comfort to wear, to choose a different gear. <b> Remember to adjust the length of the mask the first time you use it, when you change the mask the next time you can quickly and accurately wear it, it is very practical and safe, especially to wear a mask for a long time, it can make the elastic tape of the mask do not hang on your auricle, so that your auricle will not be hurt by the elastic tape. This little magic mask strap extender is a lifesaver for making your mask strap fit better. It can extend your mask strap length to about 2~4 inches and offer you more breathing rooms<b> It can widely compatible with most masks on the markets.