specification: Item Type: Lazy Eye Patch_x000D_Material: Silk, Cotton_x000D_Product Size: Approx. 9.8 x 5.3cm / 3.9 x 2.1in ( Manual Measurement Has a Little Error) Features: 1High Quality Materials: Made of high quality silk, cotton, the smoothing and soft surfaces make you feel very comfortable and relaxed. 2Comfortable Breathable: The eye patch is non irritating to the eyes, comfortable, breathable, and won't scratch your glasses. 3No Light Leakage: This amblyopia eye patch provides full coverage without light leakage, providing better correction for treatment. 4Reusable: The eye patch is reusable, hand wash with soap in cold water to clean, reusable and eco friendly. 5Applicable Scene: Suitable for one eye care and protection, especially suitable for amblyopia, strabismus and post operative training. PackageList: 1 x_x000D__x000D_LazyEyePatch