Printed with state-of-the-art mapping technology, these personalized coasters can be put together to form a larger, single placemat. Each sturdy coaster is printed and then coated to make the surface scratch and heat resistant, as well as easy to wipe clean. While protecting wooden furniture from spills or heat damage, the coasters also show a superb wealth of local knowledge. This set includes 4 jigsaw coasters that fit together to show a map centered on a home, office or any special location. These decorative coasters make an entertaining and conversation starter, as people search for landmarks and recognize their own homes. Jigsaw fans will love them, but so will anyone who takes pride in their local area and neighborhood. The coasters fit together to form a map centered on any given US address. 20th century mapping from the US Geological Survey, offers a traditional-styled map base showing contouring and landscape features, presented in muted color tones.