This National Parks mug is perfect for the outdoor adventurer in your life. This mug has a map of the USA with trees representing the National Parks. There is a legend on the mug that corresponds to each of the 63 trees. This mug is perfect for your hot or cold beverages. CERAMIC PEN NOT INCLUDED - With a ceramic pen, you can color in each tree as you visit the park and then bake the mug at 320F for 25 minutes to set the marker. Pre-owned in very good/excellent condition. *Colors may vary due to photographic lighting. Please see photos for details and approximate measurements. Hiking Outdoor Adventure Mug Coffee Tea Hot Chocolate Cocoa