【What do you get? 】You will receive 12 eye masks for adults and children, 6 blue and 6 black, each measuring 10 x 5 cm / 3.94 x 1.97 inches. Enough for daily use and replacement. Very useful and practical for improving vision and treating lazy eye, amblyopia and strabismus in adults and children, and also ideal for recovery after cataract surgery. 【Material 【High Quality】The medical eye mask is made of non-woven fabric and sewn with fine thread, which will not damage your glasses. The eye mask is soft and skin-friendly, comfortable and breathable, not easy to fade or deform. Non-disposable, reusable and durable. A beautiful piece, very convenient to take with you in an emergency. 【Best for treatment】The inner layer of the amblyopia eye mask is made of black shading material, which has a good shading effect and does not lose light. More effective treatment of amblyopia, correction of astigmatism, treatment of lazy eye and strabismus, improvement of vision. 【Easy to use】 There is a hole at the end glasses from the eyecup. First, you need to thread the temples of your glasses through the holes. Then simply slide the eyecup over the frame so that it completely encloses the lens. 【Pressure-Free Eye Cover】The goggle cover is attached to the goggles and will not come directly into eye contact. It's comfortable to wear and doesn't put pressure on your eyelids and eyeballs, so you don't have to worry about scratching your glasses or eyes.