This is the Five Thunder Talisman used for Protection. Is written with Black ink used for Chinese Calligraphy, on a strip of yellow rice paper. It is usually folded into a rectrangular and carried or placed in your wallet, purse, car, or around your neck (inside a talisman casing).
The seal in red on the top is the Mao Shan Sect Lineage Master Seal. The center is the Ba Gua seal and the bottom seal is the Seal of Tai Shang Lao Jun.