These Seat Savers are made from absolutely luxurious 1″ thick 100% Merino Wool! Imported from Australia, Merino is the thickest, softest and most durable sheepskin in the world. Comfort and function all-in-one, these sheepskins are great for keeping the rider comfortable in the saddle and will not slide around. Another wonderful advantage of the wool is that it keeps you cool in the summer and warm in the winter. They are completely machine washable, and Handmade in the USA.