DescriptionWhen wearing the ear-mounting mask for a long time,the ear will hurt.This mask extension belt can solve this problem. Non-slip surface are used to prevent the mask from slipping. Lightweight and practical, freely adjustable and very easy to use.Features-Material:PP-Size: 20.00X1.80X0.10cm/7.86X0.71X0.04in -Made of premium PP material, flexible and durable. -Adjustable hooks design, easy meet you different tightness need. -Non-slip surface to prevent the mask from slipping. -Suitable for all ear-band masks, second-change head-mounted masks. -Professional mask making accessories. It has a creative design, very practical in use.