DescriptionOrigin : CN(Origin)Model Number : Optical Scope Cover ProtectionGuide Length : 10"/25cmGuide Type : OtherColor : BlackMaterial : PlasticType : flip up capCaliber : 28 difference size for you30-69MM Transparent Optical Scope Lens Cover Flip Up Quick Spring Protection Cap Objective Lid for Hunting Accessories 37-0073the caliber size is the internal size of the cover, also is for the external diameter of the scope, before you buy it, you need to measure the diameter of your scope.Description:Please note:the caliber size is the internal size of the cover, also is for the external diameter of the scope, before you buy it, you need to measure the diameter of your scope.Please note cover is sold in single.Color: Transparent YellowMaterial: Plastic.Flip-open design.Protect your scope lens from scratches or dust.Caliber: 28 difference size for you choose:30MM,37MM,38MM,39MM,40MM,41MM,42MM,43MM,44MM,45MM,46MM,47MM,48MM,49.5MM,50MM,51MM,53MM,57MM,58MM,59MM,60MM,61MM,62MM,64MM,65MM,66MM,67MM,69MM About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.