Description If you are looking for some eyecups for your microscope, then you must not miss our m icroscope eyecups. Made of rubber material, they are high-quality and durable. They can effectively protect your eye while using them icroscope. 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 list: 2 x Microscope Eyecups