Cedar wood and cedar oil are natural moth repellents, which is why cedar is commonly used for creating modern-day hope chests and closets that contain woolen clothes. Because of this, it is used as wood shingles, which are tapered pieces of wood that clad roofs and walls to protect them from harsh weather. One popular use for this wood products ( cedar wood ) is in clothing storage furnishings, such as wardrobes, chests and trunks. Part of the reason cedar is aromatic is because it bears thujaplicin, a natural antibacterial and antifungal agent. Some types of cedar, such as true cedar and Spanish cedar, also have insect-repellant qualities.