BEAUTY AND COMFORT - YANSER luxury eye mask is made from 19mm 6A level 100% pure mulberry silk. It can help the skin remain its moisture, reducing the appearance of fine lines around the eyes and block out even the brightest of light. Being soft and smooth to protect your sleep and skin experience. | LESS ABSORBENT AND BREATHABLE - YANSER luxury eye mask is well tested to keep your face care / hair care product remaining on where they belong. Mulberry silk on both sides and filled with double layered natural silk, but not cotton. Breathable comfortable and hypoallergenic. | EASY TAKE CARE - YANSER luxury eye mask should be washed by hand in water under 30℃, with no rubbing, but better with shampoo. NOT AVAILABLE for washing by machine. | GOOD ADAPTABILITY - 20.5*8.5cm eye mask with soft elastic band wrapped with silk, designed to fit side-sleepers. PLEASE BE NOTED: IT IS SUITABLE FOR 21“-23” HEAD CIRCUMFERENCE. | TRAVEL BAG AND GIFT BOX: YANSER luxurious eye mask has a 100% satin travel bag in a nice gift box. Good choice for a sharing to sleep during travel and nap in office.