Feature: Shaped to cover either eye during an eye examination. The handheld eye occluder is made of anti-slip material. Good quality, can be used for a long period of time. Solid color, non-slip design on the handle, suitable for Use for eye chart exam. Fit for all people,Preschool / kindergarten children, school children / adolescents, adults, and the elderly.Its a must for family ,school and hospital. Description: 100% Brand New Color: White,Black Size:As pictures show(1 inch = 2.54cm) Material:PP Package included: 1pcs Squint eye plate Note: Please be aware that due to your computer monitor display the color may have some difference between the picture and the real item. There is 2-3% difference according to manual measurement.