Personalized Kiss My Class Youth T-Shirt. Class of 2017. Kiss My Class Goodbye! Congratulations, graduating senior! Tell your teachers to kiss your class goodbye. Funny graduation humor! 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.