Product DescriptionProtect your optic with the Butler Creek Flip-Open Eyepiece Scope Cover. Custom-fit for eyepieces with a 1.34 in (34.10 mm) outside diameter, this Size 01 cover creates a watertight, airtight seal to keep out dust and moisture. The one-touch, ergonomic button enables fast, silent flip-open operation so you stay on target without spooking game. Built from durable black polymer, it weighs less than an ounce and has been tested to -40AdegF for reliable performance in extreme conditions.Product HighlightsFlip-open, one-touch design with a silent hinge for instant, discreet accessWatertight and airtight seal helps keep lenses clean and clearDurable black polymer construction built for field useSize 01 fits 1.34 in / 34.10 mm eyepiece outside diameterLightweight design weighs less than 1 oz; tested to -40AdegFSpecsProduct Type: Flip-Open eyepiece scope coverSize: 01Fits Eyepiece OD: 1.34 in / 34.10 mmMaterial: PolymerColor: BlackSeal: Watertight, airtightOperation: Ergonomic non-slip button; silent hingeWeight: Less than 1 ozLow-Temperature Tested: -40AdegFUPC: 051525200109MPN: 20010Brand: Butler CreekDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.