Silicone

【Design&Material of Reusable Mask Extender hook】100% high quality silicone,The washable extension hook is made of soft silicone material.Softer and more comfortable than ABS materials or leather on the market.
【Upgrade Lengthen Design】The mask hook size is 17cm*1.5cm, Weight 4g. Non-slip, with 8 adjustable card positions, this extension straps is suitable for both adults and childrens, clip the mask on the neck or the back of the head, and free the ears.
【Widely Application】 Ear savers for mask Suitable for all kinds of work which need to wear face guard for a long time, such as doctors, office work, and some special ones such as Laboratory staff. Reduce the pain and pressure of wearing in the ear for a long time. Compatible with all kind of hanging ear strap on the market.