Silk eye patch is soft and comfortable. Used for doing eye patch Correction Amblyopia Strabismus Postoperative therapy, training the lazy eye to work properly so that vision can develop correctly. Soft silk material that won't scratch your glasses. Easy to assembly and disassembly. Soft and skin-friendly material that won't scratch your glasses. You don't have to worry about it slipping off or staying in place and it covers the whole eye. It's very soft and durable and it well made.