• Comfortable and breathable: Made with high-density soft sponge, this eye mask is comfortable to wear and allows good air permeability, keeping the eyes relaxed. • 3D Design: With a three-dimensional cut, the concave interior adapts to the shape of the eyes without pressure, preventing light leakage and providing comfort and durability. Suitable for adults and children. • Adjustable elastic band: Equipped with a wider elastic band than traditional models, with an adjustment buckle to fit different head sizes. • Multifunctional: Ideal for correcting amblyopia, strabismus, vision training, and post-eye surgery recovery. It is also suitable for festivals and costumes like Halloween and Christmas. • Reusable: Durable and easy to clean, this mask can be hand washed with water or soapy water and should be dried in a clean and dry environment.