Remember your trip to the Windy City with this unique set of 4 Chicago City Flag and Skyline coasters. The coasters are 4" wide and 1/4" thick, made with flexible neoprene fabric and have a rubber backing. The design is pressed into the surface with heat and becomes part of the fabric. The perfect addition to your home, patio, or office decor! All of our coasters are handmade in our studio just north of Chicago and Proudly Made in the USA!