• High-quality materials: Includes 4 black 3D stereoscopic monocular eye masks (2 for the left eye and 2 for the right eye). Made with filled sponge, they are comfortable to wear, skin-friendly, and harmless. • Comfortable and breathable: The medical three-dimensional elastic flap is made of high-density soft sponge, with excellent air permeability and dehumidification. It fits comfortably around the eyes, providing a sense of relaxation. Reusable, they can be washed with water and soap. • Effective eye protection: Special 3D three-dimensional design that allows you to close or open your eyes without pressure. It offers full coverage to protect the delicate skin around the eyes and effectively blocks all light. • Adjustable elastic band: Equipped with an adjustable elastic band that can be freely stretched, easy to adjust and fix to the head without tangling. Suitable for both adults and children. • Wide application: Perfect for Halloween costume parties, pirate-themed parties, cosplay shows, among others. Also useful for the correction of amblyopia, strabismus, pseudomyopia, and post-eye surgery rehabilitation.