Tiny Blue Flower Charles Patrick Ewing Flickr Blue sky & fluffy white clouds Scotland, UK @cgoodey Flickr Human cheek cells Human cheek cells stained with methylene Joseph Scenic Railway Group Notes: the original incline railway w Flickr Blue girdled angelfish Pomacanthus navarchus (EN) Blue g Flickr. Each Coaster displays a different, coordinating image. Manufactured in the USA of absorbent stone to absorb excess condensation from beverages. Cork backing protects your surfaces from scratches and stains. Each Coaster measures 4 square. Features a Tumbled Tile edge to give it a classic yet rustic appearance. Beautiful artistic designs allow the Coaster to remain displayed even when not in use. This 4 pack Coaster Set makes a wonderful gift for family and friends at any time of the year. Arrives in clear acetate box where each image can be seen. Acetate box measures 8 x 4 x 0. 50 and includes a hang tab.