Scopecoat EOTech 557 & 4x Magnifier Combo Cover SC-EO-557-COMBO. ScopeCoat EOTech Holographic Sight Protectors are constructed of the highest quality Neoprene laminated with special moisture absorbing nylon lining on the inside and out. The Neoprene has a 5percent moisture absorbency which takes moisture (condensation and sweating) away from the scope and helps protect the scope from rust and corrosion. The nylon shields against the elements. Scope Coat is the BEST Scope Protection on the market today If you would like a nice protective scope cover for your Eotech 557 Holo sight or Eotech 517 both with 4x Magnifier then youve made a good choice in Scopecoat Optical Covers and they are ideal for protecting the Sighting Systems on or off the weapon. Specifications for ScopeCoat Cover for EOTech 557 - 517 4x Magnifier Holographic Sight /Protective Covers: Manufacturer: Scopecoat Color: Black Finish: Black Fabric/Material: Neoprene Additional Features: Slip On Package Contents: ScopeCoat Cover for EOTech 557 - 517 4x Magnifier Holographic Sight /Protective Covers in Black SENTRY manufactures Scopecoats designed specifically to protect your illuminated optics. Made from our standard 3mm thick Neoprene/Nylon laminate composition that assists in repelling moisture and condensation away from your optic as well as dirt and debris. This combination helps to protect your optics from the elements and damage while storing or transporting your gear. Scopecoat safeguards military optics including brands such as Aimpoint Elcan EOTech Leopold Trijicion and more. Extreme also available in 6mm Neoprene for those that demand uncompromising protection.