Chile de Arbol peppers are a small [cayenne] looking variety hailing from Mexico. Their name means "tree chili" in Spanish because of its long wooden stem and includes several nicknames such as bird's beak chilies or rat's tail chiles.
 
Drying the Chile De Arbol Pepper produces the best flavor. Delivering a quick heat punch, this pepper has fruity, smoky, and nutty tones, which makes it a great addition to add to salsas, sauces, soups, and stews.
 
This a package of whole dried peppers, which are a bit hotter and spicier than the hot sauce. Frequently used in Mexican food recipes, try the dried version to add a little heat to your cooking.