GHSA urges all states to adopt a universal motorcycle helmet law and vigorously enforce existing laws. 1  47 states, the District of Columbia, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a helmet law for motorcyclists. 19 states, the District of Columbia, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a universal helmet law, requiring helmets for all riders. 2  The remaining 28 states and Guam require helmets for specific riders.
Hides and Skins. the skins of domestic and wild animals, as well as fur seals, fish, and reptiles, that are used as the raw materials in making leather.
Skin is the soft outer covering of vertebrates. Other animal coverings, such as the arthropod exoskeleton have different developmental origin, structure and chemical composition.