What Would Einstein Do - Neoprene 4 Piece Coasters Set

This set of 4 coasters shows Einstein at the chalkboard, writing "WWID." Perfect for scientists, engineers, chemists, physicists, geniuses, teachers and students Technicam notitia (the technical bits) Measurements: 4 in x 4 in x 1/4 in  Polyester top will not run or blur when wet Neoprene bottom prevents slips Protects your table from hot and cold drink damage Contains no High Fructose Corn Syrup After use, please return your seat back to the upright and locked position