Welcome to our store! Item Type: Lens Cover Material: Rubber Size: The caliber size is the inner size of the cover and the outer diameter of the binocular; you need to measure the diameter of the binocular before purchasing. Flip Cap: The flip cover can protect the telescope or objective lens from damage or breakage, keeping the lens clean when not in use. Rubber Material: The scope lens cover is made of premium rubber material, waterproof and durable, and can be used in rainy or snowy days with a long service life. Lens Protection: Scope lens covers can be attached to each lens independently, providing extra protection for your lens. Applicable Objects: The flip-open scope lens cover is compact and portable, suitable for binoculars, eyepieces, objectives, and monoculars. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service.