100% Full Grain Black Leather 4 Piece Coaster Set - Made in USA 100% Full Grain, Insulated, Thick Leather With Unique Markings Made in the USA, Same Leather Saddleback Leather Company Uses Industrial Strength, Hand-Sewn Polyester Thread Pigskin Lining Rated Highest Tensile Strength For Water Protection Great for Glasses, Mugs, Cups, at the Bar, Office or Home