These masks are not FDA Approved. Please note these are not a replacement for medical-grade N95 masks or PPE but are meant to bridge the gap. Material: Double Layered- Outer Layer - Woven 100% Rayon Inner Layer- Knit Rayon/Poly Blend Straps: Cloth string inner layer Rayon/ Poly Blend Fabric Reuseable: routinely wash depending on the frequency of use Not handmade