Is the rainbow coating permanent or will it scratch off easily

this is a traditional slip-joint knife

BLACK TANTO BLADE

Fire Starter

Made with a damascus steel blade and leather stack handle

Single Bolster Lockback Stag Damascus Folding Knife Glass Breaker Is the rainbow coating permanentSingle Bolster Lockback Stag Damascus Folding Knife This 7" single bolster lockback stag damascus folding knife is a great pocket knife to have. Made with a damascus steel blade, this folding knife is very sharp and durable. The stag handle with brass bolster and brass lining with file work provides a secure grip and is very sturdy. 4" CLOSED 7" OVERALL STAG HANDLE BRASS BOLSTER BRASS LINING WITH FILE WORK DAMASCUS BLADE LOCKBACK