Seal & protect your firearms in one easy application of Flitz Gun Cermic Sealant. Works on all firearm finishes. Won't leave a shine on your matte finish. Hydrophobic nano-ceramic technology protects up to one full year! Keep your guns & knives protected every hunting season and for months to come. The same technology that protects a $200,000 Lamborghini is now available for your sporting gear! This spray-on application creates a ceramic shell coating that lasts up to a year! Works with all finishes. Will not gloss up your matte finish guns or blades. This NANO-CERMAMIC hydrophobic spray is safe on:All MetalsFiberglassClear CoatsAll PaintsPlasticsGraniteGlassAll Man-Made Hard Surfaces.