Cute Saying About Army Is Stainless Steel Good Material?

Is stainless steel good material? - cute saying about army

I bought my ex whos going to 6 months after a pocket watch with an army of us with a sentimental engraving cute to say that serving the best proof of love, trust is:]
Good and stainless steel, and I wonder if someone knows if it is metal and durable good not to break a piece of garbage thats going on or too thin.