BUTTON COASTER SET Size: 3.5 inch in diameter Materials: Metal - Cork - Mylar Quantity - 4 (as shown) Supplies : These HIGH QUALITY Coasters are made using a Button Machine and Paper sealed with a mylar plastic sheeting, metal with a cork backing. Shipping: The process takes a few days so please allow me ample time to make them when you order. They make a wonder gift for any occasion and they are made to last :-) All items at Jay's Craft Corner come with a purchase price money back guarantee. If there is a problem, please let us know within 7 days of delivery. It is important to us that you love your purchase. We ship all items properly and professionally, via (USPS) United States Postal Service with delivery confirmation. Orders are mailed as fast as possible, depending on the size of the order.