Washable & Reusable - eye patches for glasses can be used over and over again. Hand wash in cold water with soap to clean. Reusable and eco-friendly. 100% Mulberry Silk Material - eye patches are made of mulberry silk and spinning cotton, smooth and soft surface makes you feel very comfortable and relaxed. Size - Each eye patch size is(Approx): 10 x 5 cm / 3.9 x 1.8 inches, recommend to use it on the glasses with a frame height lower than or equal to 1.8 inches. Over-Glasses Design - The eye patches for kids are non-adhesive, no irritation to the eye, breathable. The medical eye patch for adults left and right eye. Effective Patching Treatment - these soft eye patches fit for one eye care and shield, without excitant, avoid causing skin irritation, blackout protection, no light leakage, block all of the vision of the eye, especially good for amblyopia, strabismus and after surgery. Training the eye to work properly, so that vision can develop correctly.