These are assorted tanned cow switches from the USA. The switch is the bushy end of the cow's tail.
They are clean and nice to work with for a variety of craft purposes.
The short-hair switches average 17" to 20" long overall with hair that is under 5" long. Each tail weighs about 2 to 4 ounces. As these are natural products, there will be variation from tail to tail.
Cow are not endangered. The cows were not killed just for their tails.