3D Contoured DesignThis eye patch is a groove design, soft, durable, stylish and comfortable, light weighted breathable material to avoid pressure to eyeball. Fully CoverageHigh quality and light weight material for sensitive skins eye area, no light leak, thick enough to block almost all the lights for eye protections. Adjustable SizeClosure type premium adjustable strap expand from 16" to 27", suitable for all head circumferences, breathable and comfortable to wear, suitable for adults and Children. Eye CareGreat for lazy eye training and daily use, so that vision can develop correctly, protect sensitive eye area, more effective to treat Amblyopia. Applicable PeopleThese eye patches are suitable for left or right eyes for training the amblyopia, short sighted, and it can be applicable for cosplay, halloween dress up party, school stage shows.