It is constructed of silicone, which is nontoxic, odourless, no burr and durable.
This mask ear grip extension effectively reduce the pain and pressure of wearing a mask in the ear for a long time.
Can easily adjust length of ear strap hook, fits perfectly to your head.
Suitable for face mouth mask with elastic ear loop.
Package Content: 4 x Mouth Mask Loops Retainer
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.