DescriptionBreathable and comfortable, made of silk material, not easy to break, long service life. Suitable for amblyopic strabismus, amblyopic training and daily use. It can be covered over glasses for comfortable wear.Features-Material:mulberry silk -Size:9.00X5.50X0.80cm/3.54X2.16X0.31in10.00X6.00X0.80cm/3.93X2.36X0.31in -Suitable for single eye protection after treatment. -These eye patches fit for single eye care and shield. -Fit for left and right eyes, suitable for long term wear. -These single eye patches can effectively keep light out. -Good choice for training the lazy eye to work properly.