earsaver для лица маски ремешка расширителей для маски регулируемого ear loops противоскользящие силиконового для масок ремней держателя уха

they are flexible, soft comfortable, and made of good silicone material, it also has several hooks to adjust to fit all sizes. these behind the head straps are seriously great especially when you are wearing a mask all day for work. these pieces have four different levels to adjust your mask to it's desired level of comfort. it helps you get a better seal on your face and also protects the back of your ears from hurting and from breakdown! simple but smart design.easy to wash and dry