<b>Easy to use</b><br> 1. Place a strap of your mask on the hook.<br> 2. Put on your mask and put the hook behind your neck or head.<br> 3. Place another strap of your mask on the other side of the hook and adjust it to a comfortable position.<br> <b>Specifications:</b><br> <b>Colors:6 colors</b><br> Package include:6 colors Silicone Mask Strap