Training the amblyopia eye to work properly, so that can develop correctly,Special groove design, eyes can close or open inside it, have no pressure on eyes, more comfortable. and premium silk material gently embrace your eye and surrounding skin area, softly blocking the light and even you don’t feel its existence. Features - Color: Black. - Material: Silk. - Size: About 10x8x0.2cm. - Selected silk: and premium silk material gently embrace your eye and surrounding skin area, softly blocking the light and even you don’t feel its existence. - Eye patch for amblyopia eye: Our eye patch does the to block the light so your eye won’t get hurt, especially for weak sight and lazy eye, kids or adults available. - Elastic strap: with adjustable elastic strap can find your suitable & comfortable length and won’t pull your hair. - Strong practicability: the eye patch is used for amblyopia lazy eye , weak eye usage, it is small and lightweight for easy storage. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3 x eye patch