Fast shipping: You can receive the Mask Extension Hook Ear Scratch Alleviating: The mask extender hooks are compatible with most of the ear-mounted masks, this mask band strap help reduce the pain and pressure of wearing a mask in the ear for a long time. Upgraded Four Slots: The length of adjustable Mask Band Extender can be freely adjusted to loosen or tighten. Fit for not only adult but child. Comfort While Wearing: The Ear Mask Hook is made of durable,sterile PP flexible material,