This black t-shirt features a humorous message: "Rule #1: The Biochemist is always right. Rule #2: If the Biochemist is wrong, refer to Rule #1." The witty design is printed in bold, white letters, making it easily readable. The shirt appears to be made of a comfortable cotton blend, perfect for everyday wear. Show off your love for biochemistry with this unique and conversation-starting tee. Ideal for biochemists, science students, or anyone with a great sense of humor. A fun gift for the science enthusiast in your life!