Plastic; Eye testing apparatus: the handheld eye occluder is made of anti-slip material, safety eye tool; testing equipment: people, preschool / kindergarten, school / adolescents, adults, and the elderlyit's a must for family, school and hospital, safety eye tool; 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!, optometry equipment, safety eye tool; Eye-catching tools: solid color, non-slip design on the handle, suitable for use for eye chart exam, safety eye tool; training tool, can be used long period of time, safety eye tool
What's in the box
2 x Science Supplies
