This product is designed to enhance your viewing experience with microscopes, telescopes, and other optical devices. The Plastic eyepiece covers provide a comfortable and secure fit, ensuring that your eyes are protected from strain and fatigue during extended use. Features -Color:Black -Material:Plastic -Size:3.70X3.70X1.80cm/1.45X1.45X0.71in -Wide compatibility: suitable for 32 mm-35 mm stereo microscope eyepieces, making it ideal for use in laboratories -Eye comfort: the eyepiece protector is made from comfortable materials, effectively shielding your eyes from fatigue and irritation -Easy installation: simple to install, can be easily fixed onto the microscope eyepiece, providing convenience and quick setup -Plastic material: made from Plastic, this protector is easy to clean, ensuring long-term use -Practical: it prevents contaminant from entering the microscope eyepiece, extending the microscope's lifespan Package list: 6 x eyepiece covers