4 jigsaw coasters that fit together to show a superb coastal location. Centered on a selection of beautiful harbors, lakes and seascapes across the US, and based on the NOAA Sea Chart data, these offer a delightful addidion to any table setting. Printed with state-of-the-art mapping technology, these 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. And protecting wooden furniture from spills or heat damage.