DescriptionHigh-grade material can ensure its durability and practicability. Itis perfect for eyesight testing use. Waterproof and not easy to wear. Itis designed with practical function, so you can testprecisely how is your eyesight going on with it. It is suitable forhome, school, clinic, etc. Cost-effective, you can buy this practicalproduct at an affordable price.Features-Color: As Shown -Material: PVC -Size: 26.50X1.00X1.00cm/10.41X0.39X0.39in - Manufactured with premium material, with excellent durability and practicality. - Enough length design, and this professional visual test stick is enough for vision testing. - Use with the eye chart(not included), always pay attention to the condition of the eyes. - Fit for all people, preschool kindergarten children, school children adolescents, adults, and the elderly. - It's a must for family, school and hospital. High-grade, can be used for a long period of time.