The sheet size is 12 x 12. The paper is metallic embossed foil on one side and a plain white on the other. This paper is great for Origami, Paper Jewelry, Collage, Card Making and other crafts applications. It is acid and lignin free. The package has 50 sheets in assorted colors and patterns. Each package has different colors in the different patterns. The above picture may not be exactly what is in your package. It will be the same type of pattern and the same colors however.