Made of cotton and elastic rope. Reusable, breathable and washable. Freely adjustable size, suitable for everyone's needs Mask jewelry is a great gift for girlfriends, wives, sisters, friends and lovers. When she wears a mask studded with rhinestones at a party, it will bring her more attention and become the center of attention Package includes 1x mask Note: Decorative masks do not have medical functions and are only used for decoration Manual measurement, please allow slight dimensional error.