The medical disposable three-layer mask does not impede breathing. Soft and durable ear straps secure the mask to your face for an optimal fit. A convenient flexible nose clip makes long-term wearing comfortable. Reusable hygienic face masks are made of non-woven three-layer material, spunbond. It is hypoallergenic and does not cause irritation. Each product has three folds and has a filter layer (CMC). Protective masks, respiratory protection, passed