I took it out of the box once for listing purposes, but it's new and has not been opened from the bag. This eye mask promotes blood circulation and provides a warming effect. It measures approximately 14cm x 21cm for comfortable use. - Brand: Gruria - Product Name: Blood Circulation Eye Mask - Size: Approximately 14cm x 21cm - Effects: Promotes blood circulation, warming, and red light therapy - Material: Unknown (inside the package) Thank you for looking.