Feature: 1.MATERIAL: Double-sided silk fabric,soft and smooth design of cotton,shading effect is good. 2.FUNCTION: Relieve visual fatigue,improve amblyopia,strabismus correction. 3.EXQUISITE EDGE: Delicate package edge,not off line so that the eye patch is more durable,more beautiful appearance. 4.EASY TO USE: Exquisite workmanship,with elastic band,the use of a unique free adjustable buckle design,can be adjusted to their own head circumference size . 5.ELASTIC BAND: Divided into two designs,so that the use of eye mask,the elastic belt will be formed in the middle of the concave eye patch,eyes more comfortable. Color:Black/Blue/Navy/Pink/Purple/Yellow Material: silk Size:5.7cm*7.2cm/2.24*2.83 inch Package include: 1Pcs Child Amblyopia Eye Patches Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.