WASHABLE & REUSABLE - The eye patches for adults left eye and eye patches for adults right eye can be used over and over again. Hand wash in cold water with soap to clean. Reusable and eco-friendly. SIZE - Each medical eye patch size is (Approx): 9 x 7 cm / 3.5 x 2.7 inches, recommend using it on the glasses with a frame height lower than or equal to 1.6 inches. The eye patches work for both left eye and right eye. EFFECTIVE PATCH TREATMENT - The kids eye patches is suitable for one eye care and protection, is non-irritating and avoid causing skin irritation, especially suitable for amblyopia, strabismus and after surgery. Train the eyes to work properly so that vision can develop properly. 100% MULBERRY SILK MATERIAL - These eye patches for kids are made of mulberry silk, breathable, hypoallergenic, smooth and soft surface, which makes you feel very comfortable and relaxed. UPGRADED FULL COVERAGE DESIGN - These eye patches for glasses can block out all light from every side. No light leakage, no peeking at all. The adults eye patch is a good shading protection for the eyes.