This product is a versatile accessory designed for use with microscopes, telescopes, binoculars, and spotting scopes. The rubber eyepiece covers provide a comfortable and protective barrier for your eyes, ensuring a clear and unobstructed view. These eyepiece covers are essential for maintaining the cleanliness and longevity of your optical equipment. Features -Color:Black -Material:Rubber -Size:5.50X3.50X2.00cm/2.16X1.38X0.79in -Size:3.00X3.00X0.10cm/1.18X1.18X0.04in -Versatile compatibility: suitable for single and double telescopes, birdwatching scopes, making it a multifunctional accessory for various optical devices -Comfortable observation: made from rubber, these eyepiece covers provide a comfortable viewing experience, reducing eye strain during extended use - material: constructed from rubber, these eyepiece covers are wearresistant, ensuring durability -Easy installation: the elastic nature of the rubber material allows for easy and quick installation on your optical devices -Portable design: lightweight and compact, these eyepiece covers are easy to carry, making them convenient for outdoor activities and travel Package list: 2 x Microscope Eyepiece Covers