M-26 Pro Max RELIFE Dustproof Anti-Light Leakage Soft Silicone Microscope Eyepiece Cover. Strong Light-blocking For Stereo Microscope Lens Protective Dust Cover Tool. Efficient Dustproofing: The cover helps prevent dust and debris from entering the microscope eyepieces, protecting the optics and maintaining clear vision. Anti-Light Leakage & Anti-Fatigue: It is designed to block external stray light, reducing glare and eye strain, making extended observation periods more comfortable. Ergonomic and Comfortable Design: Made from soft silicone or rubber, the eyecups feature a 3D low-pressure structure that fits the human facial curve, providing zero pressure on the eyeballs. Flip-Top Design: Some variations include a convenient flip-top design for easy access and effective dust protection when not in use. Wide Compatibility: This eyepiece cover is designed for universal fit and is suitable for most stereo microscopes on the market, ensuring broad applicability.