Mask ear strap hook ear protector anti-leak extension hook. Main features-stylish design, light weight, sterile, environmentally friendly PP flexible material, can be self-sterilized, easy to clean unlimited reuse non-allergic, fits perfectly to your head, maximum comfort wraparound Design, adjustable belt, tasteless, long life, etc. Extensive compatibility-various masks or masks with two-point connection type disposable masks masks and more. Washable and durable-This headband is made of durable PP flexible material that can be repeatedly washed without bending abrasion curling, shedding or other types of degradation. Reduce the pain and pressure of wearing a mask in the ear for a long time. Two lengths: two lengths of extension belts, each with 3 adjustable gears, suitable for adults and children. Specification: Made of silicone. Non-slip. Soft and durable. Equipped with two length extension belts, each with 3 adjustable gears. Bring the edge of the mask close to the face. Material: Eco-friendly PP flexible material. Package Contents: 5x mask ear strap hook.