If you are looking for some eyecups for your microscope, then you must not miss our microscopeeyecups. Made of rubber material, they arehigh-quality and durable. They can effectively protect your eye while using themicroscope.Features- Color: Black.- Material:Rubber.- Size: Approx.3.90X3.90X1.80cm/1.53X1.53X0.71in.-Provide extra comfort for the eyes while you are using a microscope.- Suitable for most telescopes, microscopes, stereoscopic microscopes, etc.- Widely applied in home, laboratories, hospitals, research institutions, etc.- Easy to install and remove, suitable for professional and personal sue.-Helps create the perfect distance between the eyes and the reach.Packing list2 x Microscope Eyecups