Features:<br> Soft rubber, can be folded.<br> The rubber eye-mask is made-of rubber, which is foldable, easy to use, durable and practical.<br> Multiple diameter rubber eye guards eye shields.<br> Durable in use.<br> It applies to stereo microscope wide angle microscope eyepiece, and for 32-36mm eyepiece of the microscope and telescope and other lens, etc.<br> <br> Specifications:<br> Material: Rubber<br> Size:Approx.3.6x3.6x2.3cm/1.41x1.41x0.9inch<br> Size:Approx.3.6x3.6x1.8cm/1.41x1.41x0.7inch<br> Color:Balck<br> <br> Note:<br> .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. <br> .Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> Thanks for your understandings.<br> <br> Package includes:<br> 2x Eye Shield