Description: - Made from PVC material, this eye chart is waterproof, non-reflective and without pungent smell, prevent creases and tears, hard to wear. - Printed with E letter in standards and graphs, allowing for reading from 3 meters or 5 metersm - Great for Adult Kindergarten and children kids Use - Suitable for home, , or small hospital. - It's very important for us to protect and pay attetion to the eyes. Specification: - Color: White. - Material: PVC. - Size: Approx.7525cm/29.5 x 9.8 inch Package Includes: 2 Piece Eye Test Charts Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you