Do you need portable and usefuleye chart? If so, take a quick look at this item. Made of plastic materials, practical and excellent. Simple look design and exquisite craftsmanship ensure its popularity and practicality, excellent durability. Features -Color:As Shown -Material:PVC -Size:18.50X10.00X0.03cm/7.27X3.93X0.01in - Made of plastic material,eye chart is sturdy and practical, excellent and useful. - Double sided design, useful design, excellent performance,eye chart is safe and practical. - Clear pattern design, simple to read, suitable for eye exams, vision testing,eye chart is easy to use. - Multipurpose and useful, could be used for glasses shop, school, home, easily meet your different needs. - Small size, portable and lightweight,eye chart is simple to store and use, bring much convenience.Package List1 x portable eye chart