DescriptionIt's very important for us to protect and pay attention to the eyes. Made from PVC material, this eye chart is waterproof, non-reflective and without pungent smell. Suitable for reading from 3 meters or 5 meters. Applicable to home, school, and clinic.Features- Color:As Shown.- Material:PVC. - Size:68.50X24.50X0.20cm/26.92X9.63X0.08inch. - It is a 3 meter or 5 meter visual acuity logarithmic chart, used to measure eye vision. - Made of waterproof PVC material, environmental protection, durable and practical to use. - Can be hung in living room, bedroom, dining room, and for home decorations, etc. - Standard eye chart design, it will successfully attract your kids attention. With it, you can better know your kids eyesight. - The tester can directly read the orientation of the above words to test their eyesight.