Our masks are thoughtfully hand-designed & one-of-a-kind. Subtle irregularities are an organic part of the design process. These reusable face masks are not medical devices or personal protective equipment (PPE.) For your safety, we do not accept any returns. Fastening: Length: cmNeck: Shape: Shell: 100% PolyesterLining: 100% CottonCare: Hand WashModel wears a size: UK 8