I should start with the advice that although it is called Sheepskin Mats, it really is Lambskin mat. Not to be confused with Lambswool. Lambswool is the term for shorn wool stuck to a backing – generally cotton or polyester of some kind. Lambskin refers the to a natural product with a natural hide naturally attached to the back, and a tip on the wool pile to indicate that it has not been shorn.
The terminology Mat indicates that 2 or more have been joined to make a larger or shaped rug or carpet like Mat.