Our Poker Guards are made of iron with a thin coating of gold. The purpose of gilding is not only to make our Poker Guards more attractive and also to increase the duration of the use. The dimension of our Poker Position Marker are 1.6 X 1.6 X 0.1 inches (40 X 40 X 3 mm). It is about the same size of a normal casino chip and very easy to carry. These Poker Card Guards are designed to have a heavy weight, 30 grams. Our Poker Card Guards make a great gift for any poker lover, friend, dad, mom, boyfriend, girlfriend, husband, and wife.