for Standard Microscopes: Designed to snugly fit microscopes with an eyepiece diameter of 34-37 mm, these silicone eye guards a secure fit, preventing slippage and detachment. This allows for uninterrupted adjustments and observations, enhancing your overall microscopy experience. Enhanced Eye Comfort: Crafted from soft rubber, these eyepiece covers conform to the of your eyes, creating an effective barrier against peripheral light. This design significantly reduces eye strain during extended periods of use, making your observation sessions more comfortable and productive. Innovative Design for Glasses Wearers: Featuring a flat-sided and foldable design, these eye guards provide an optimal viewing distance for users with glasses. They a full and comfortable field of vision, allowing you to observe without the need to remove your spectacles. Durability and Protection: Made from high-quality, elastic silicone, these eye covers not only offer a soft and comfortable fit but also provide a cushion against accidental bumps. They protect both your microscope's delicate eyepieces and your eyes, ensuring and repeated use without losing shape. Economical Value Pack: This set includes two identical silicone eyepiece covers, enabling simultaneous protection for both eyepieces of a binocular microscope. An essential, cost-effective accessory, these covers are designed to enhance and safeguard your microscopy observations., Weight: 0.0440924524 pounds, Manufacturer: Ounfhtrttk