Many different frosty and wintery snowflakes are included in the custom shapes set. There are also many related sets such as snowflake patterns (for wrapping, cards etc) and snowflake and Xmas fonts and eps shapes and Christmas snowflake and crisp winter design brushes
There are also many additional Christmas themed sets such as Christmas Photoshop custom shapes such as baubles and Christmas tree vector shapes and Xmas / Christmas brushes such as baubles and trees You can use the artworks in 1000s of ways combining them with images and text and more. You can use them in commercial projects as well as personal / festive ones.
You can find many tutorials on the snowflake custom shapes and others such as how to rotate / apply rotate transformations to Photoshop custom shapes