These coasters are handcrafted with great attention to detail. These are made from quarter sawn oak, maple and walnut, The holder is made from walnut and oak. The holder provides a stylish way to keep your coaster organized and displayed. The coaster are approximately 3.75"x3.75"x0.5" and the holder is 4.25"x4.25"x2.5". These make an excellent gift or addition to your home!