Hexmag Holographic/Electronic Scope Cover Black Trijicon MRO Size 51. Made from standard 3mm thick Neoprene/Nylon laminate composition that assists in repelling moisture dirt debris and condensation away from your optic. This combination helps to protect your optics from the elements and damage while storing or transporting your gear. Specifications for Hexmag Holographic/Electronic Scope Cover: Manufacturer: Hexmag Color: Black Fabric/Material: Neoprene/Nylon Laminate Composition Gun Make: Universal Gun Model: Universal Gun Type: Rifle Additional Features: Trijicon MRO Fit: Trijicon MRO Features of Hexmag Holographic/Electronic Scope Cover 3mm Neoprene Optics Protection during transport and storage Repels moisture and condensation Package Contents: Hexmag Holographic/Electronic Scope Cover Hexmag 12HE51BK: Holographic/Electronic Scope Cover Black Trijicon MRO Size 51