Your name and Social Insurance Number are permanently engraved on this Lifetime Canadian Social Insurance card with 2 Canadian flags on each side and the Canadian Coat of Arms in the middle. The Canadian Social Insurance cards are brass finished wafer thin metal plates(actual size: 3 1/4" x 1 3/4") that can easily fit into your wallet or purse. They are "Lifetime Guaranteed" never to soil, wear or fade like the paper cards.