Material: 100% Pure Mulberry Silk, 22mm Size: 23 x 12cm Ear-hanging with adjustable srip Nose Wire Filter Pocket Canopy Silk Mask can be hand-washed and used repeatedly. The fabric is soft, gentle on skin, breathable and cooling which are perfect for daily use, an especially great option for those with sensitive skin or skin allergies, as it has long, smooth fibres that do not rub or irritate the skin. ** Non-returable and non-exchangeable for hygienic reasons. ** Not a substitute for medical or surgical mask.