Personalized Kiss My Class Goodbye 2019 Youth T-Shirt. Kiss My Class Goodbye! Your a 2019 graduate. Celebrate with this cool, funny, graduation t shirt. Congratulations, graduate! Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.