Mask Extender Mixed Colors 10 pack. This mask extender can alleviate ear pain caused by long-term mask wearing, making it easier to wear. Made by durable plastic flexible material, easy to clean, unlimited reuse and fits your head. It is comfortable, convenient, adjustable, odorless, durable and more. The mask strap extender is also suitable for thin face and children. There are 3 adjustable card positions, clip the face guard on the neck or the back of the head, and free the ears.