Made of premium material, the eye patch is breathable and comfortable. A simple way to treat amblyopia. These eye patches fit for one eye care and shield, without excitant, especially good for amblyopia strabismus.Good selection for training the lazy eye to work properly, so that vision can develop correctly. Feature - Color: Black.- Material: Lycra and sponge.- Size: About 7.5 x 7 x 0.5cm/2.95 x 2.76 x 0.2 inch.- These eye patches are made of lycra and sponge, smooth and surface makes you feel very comfortable and relaxed.- No light leak: Made of light-shielding layers, completely opaque and no light leak. More effective to treat Amblyopia.- and comfortable: Made of premium material, it is pretty soft, breathable and comfortable and skin-friendly.- Wide application: these eye patches fit for one eye care and shield, without excitant, especially good for amblyopia strabismus.- Good selection for training the lazy eye to work properly, so that vision can develop correctly.Packing list: 4 x single eye patch