Kao MegRhythm Gentle Steam Eye Mask, UnscentedStorage conditions: Store in a cool and dry place.Shelf life: 3 yearsHow to use:1. Remove the blindfold from the bag and unfold it.2. Tear open along the dotted line and hang the hanging ear ties on both ears.Brand introduction:Kao Mesuli is a brand dedicated to using warm steam to relieve consumers and provide a more comfortable and relaxed life. Products include steam eye masks, good night steam stickers.