Premium material: Neoprene rifle scope cover that is water and mildew resistant and designed to resist damage and tearing. Moisture management: Neoprene provides about 5 percent moisture absorption, drawing moisture away from the scope head and helping keep the scope head clean and dry. Scratch and dust protection: Soft, dustproof fabric offers scratch resistance and helps protect the scope from impacts during handling and transport. Size and compatibility: 13 x 3.5 inches. Fits endoscopes and non-magnifying endoscopes with a maximum length of 10 inches and a lens diameter of 45 mm. Use scenarios - Field use: protects the scope from rain, dew, dust, and minor bumps during hunting, scouting, or outdoor training. - Travel and storage: keeps the scope dry and protected in bags, cases, or vehicle storage. - Maintenance environments: suitable for technicians using endoscopes in wet or dusty settings, safeguarding the scope head during transport.