Show off your witty side with this "I Only Use Sarcasm Periodically" T-shirt. This tee features the chemical symbols for Sulfur, Argon, Calcium, and Samarium, arranged to spell out "SArCaSm". The design is printed in a crisp white font on a black background. Made from comfortable, breathable fabric, this short-sleeve shirt is perfect for casual wear. Wear it to school, work, or out with friends to make a statement and get a laugh. A great conversation starter, and ideal for those with a sharp sense of humor!