– 2 layers of pure 25 momme weight Mulberry silk

– Color: Grey

– Non-medical

– Reusable

– Unisex

– One size (Adult)

– Double-sided – Grey + Black

– Adjustable elastic ear loops

– With protective and elegant black velvet pouch

– Comes in a gold gift box with ribbon

– For hygiene reasons, this product is not returnable or exchangeable.